{
    "model": {
        "rank": 6137,
        "code": "thing-q181014",
        "model_id": "vr.tr.fugue",
        "name": "fugue",
        "purpose": "Enable an AI agent to recognise a musical fugue, assess its contrapuntal organisation and evidential completeness, and identify defensible analysis, performance or revision actions.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/q181014/",
        "tier": 2,
        "score": 62,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "fughetta",
                "Mirror fugue"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 62,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.fugue",
            "source": {
                "dataset": "wikidata",
                "item": "Q181014",
                "url": "https://www.wikidata.org/wiki/Q181014",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T11:44:09Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.00213622,
                        "turns": 1,
                        "seconds": 18.7,
                        "error": null
                    },
                    "codex": {
                        "seconds": 84.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07bad-86fb-7e03-a3b6-e92c89f63f7d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: fugue\nRegistry id: vr.tr.fugue\nPlane / domain: INF / INF.MED\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q181014",
                "registryId": "vr.tr.fugue",
                "name": "fugue",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q181014/",
            "model": {
                "registry_id": "vr.tr.fugue",
                "name": "fugue",
                "purpose": "Enable an AI agent to recognise a musical fugue, assess its contrapuntal organisation and evidential completeness, and identify defensible analysis, performance or revision actions.",
                "definition": "A fugue is a contrapuntal musical form in which a subject is stated by one voice and then imitated and developed by others according to established procedures of exposition, episode, and stretto.",
                "scope_statement": "This model owns a fugue as a musical construction: its subject material, participating contrapuntal voices, entry relationships, tonal or other pitch organisation, developmental procedures and formal trajectory; interpreting the registry name as musical remains provisional.",
                "in_scope": [
                    "Subject identity, variants and relationships among multiple subjects",
                    "Contrapuntal voices and the distribution of subject and answer entries",
                    "Exposition, subsequent entry groups, episodes and closing activity",
                    "Countersubjects, recurring counterpoint and thematic transformations",
                    "Pitch organisation, cadential articulation and structural continuity",
                    "Evidence supporting analytical boundaries, classifications and revision decisions"
                ],
                "out_of_scope": [
                    "Dissociative fugue and other clinical conditions",
                    "Composer biography and general historical context",
                    "Physical scores, editions and their bibliographic management",
                    "Recording production, audio encoding and distribution",
                    "Instrument construction and general performer technique",
                    "The complete architecture of a larger work containing the fugue"
                ],
                "distinguishing_features": [
                    "Identify whether recurring subject entries across distinct contrapuntal voices organise the passage or work, rather than imitation appearing only locally.",
                    "Test whether the voices develop sufficiently independent continuations to distinguish the texture from a melody merely doubled or accompanied.",
                    "Test whether imitation allows independent intervening material and changing entry relationships, rather than requiring continuous rule-bound imitation as in a strict canon.",
                    "Determine whether the fugal process supports a sustained formal span or constitutes a fugato passage within another form; record uncertainty where the boundary is disputed.",
                    "Distinguish structural subject entries from incidental motivic resemblance using the subject's rhythmic, intervallic and contextual evidence."
                ],
                "characteristics": [
                    {
                        "name": "Analytical extent",
                        "kind": "relation",
                        "unit_or_values": "Whole work or identified passage within a containing work, with score or recording anchors",
                        "why_it_matters": "Establishes which musical events the fugue model owns."
                    },
                    {
                        "name": "Subject inventory",
                        "kind": "category",
                        "unit_or_values": "One or more identified subjects; additional-subject status confirmed, proposed or disputed",
                        "why_it_matters": "Separates thematic identity from incidental motives and supports analysis of multiple-subject designs."
                    },
                    {
                        "name": "Contrapuntal voice count",
                        "kind": "measurement",
                        "unit_or_values": "Number of independent voices, with local changes recorded",
                        "why_it_matters": "Determines the participating strands without equating voices with instruments or staves."
                    },
                    {
                        "name": "Answer treatment",
                        "kind": "category",
                        "unit_or_values": "Real, tonal, other, disputed or not applicable, assessed per relevant answer",
                        "why_it_matters": "Records how an answering entry relates to its subject without forcing every fugue into a conventional tonal pattern."
                    },
                    {
                        "name": "Recurring counterpoint",
                        "kind": "relation",
                        "unit_or_values": "Material linked to the subject entries it accompanies; countersubject status and exceptions recorded",
                        "why_it_matters": "Distinguishes persistent contrapuntal partners from free continuations."
                    },
                    {
                        "name": "Entry overlap",
                        "kind": "measurement",
                        "unit_or_values": "Onset separation in notated beats and overlap duration between identified entries",
                        "why_it_matters": "Makes proposed stretto relationships inspectable."
                    },
                    {
                        "name": "Thematic transformation",
                        "kind": "category",
                        "unit_or_values": "Transposition, inversion, augmentation, diminution, fragmentation, other or uncertain",
                        "why_it_matters": "Explains how later material maintains or weakens its relationship to a subject."
                    },
                    {
                        "name": "Pitch organisation",
                        "kind": "category",
                        "unit_or_values": "Tonal, modal, other or unresolved, with local centres or organising rules where supported",
                        "why_it_matters": "Supports interpretation of entries and closure without assuming universal tonic-dominant behaviour."
                    },
                    {
                        "name": "Analytical resolution",
                        "kind": "state",
                        "unit_or_values": "Provisional, partly evidenced, supported or contested for each major analytical claim",
                        "why_it_matters": "Controls whether an agent may assert a reading or must retain competing interpretations."
                    }
                ],
                "affordances": [
                    "Locate and annotate subject entries, answers and recurring counterpoint with inspectable musical evidence.",
                    "Compare competing voice assignments, thematic readings and formal boundaries.",
                    "Trace transformations, overlapping entries and combinations of subjects.",
                    "Assess proposed revisions against subject recognisability, voice independence and the declared contrapuntal style.",
                    "Prepare performance annotations that expose entries, voice exchanges and structural arrivals.",
                    "Identify missing evidence and prioritise passages requiring score inspection or listening."
                ]
            },
            "sources": [
                {
                    "id": "grove",
                    "title": "Fugue",
                    "url": "https://www.oxfordmusiconline.com/grovemusic/view/10.1093/gmo/9781561592630.001.0001/omo-9781561592630-e-0000010707",
                    "what_it_supports": "Canonical musicological definition and kinds of fugue as a compositional procedure.",
                    "url_status": "unverified"
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "fugal-identity-and-extent",
                        "name": "Fugal identity and extent",
                        "description": "Establishes what musical span is being treated as a fugue and why that designation is defensible.",
                        "rationale": "Imitative texture alone does not resolve whether the object is a fugue, a fugato passage or another contrapuntal construction.",
                        "layers": [
                            {
                                "id": "musical-boundary",
                                "name": "Musical boundary",
                                "description": "Locates the candidate fugue within its musical context.",
                                "findings": [
                                    {
                                        "id": "owned-fugal-span",
                                        "name": "Owned fugal span",
                                        "description": "Record the beginning and end of the analysed span, its containing work where relevant, and the evidence supporting those boundaries.",
                                        "questions": [
                                            {
                                                "text": "Which score locations or recording times delimit the candidate fugue?",
                                                "kind": "boundary",
                                                "id": "owned-fugal-span-q01"
                                            },
                                            {
                                                "text": "Does the span function as a complete fugue, an embedded fugue or a fugato passage, and what supports that reading?",
                                                "kind": "definition",
                                                "id": "owned-fugal-span-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "designation-evidence",
                                "name": "Designation evidence",
                                "description": "Separates supplied labels from analysis of the musical construction.",
                                "findings": [
                                    {
                                        "id": "basis-for-fugue-identification",
                                        "name": "Basis for fugue identification",
                                        "description": "Record who calls the span a fugue and which entry relationships and contrapuntal behaviours support or challenge that designation.",
                                        "questions": [
                                            {
                                                "text": "Which inspected score, recording or commentary supplies the designation or evidence used here?",
                                                "kind": "provenance",
                                                "id": "basis-for-fugue-identification-q01"
                                            },
                                            {
                                                "text": "What makes subject imitation structurally organising rather than an isolated textural effect?",
                                                "kind": "definition",
                                                "id": "basis-for-fugue-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "subject-and-answer-identity",
                        "name": "Subject and answer identity",
                        "description": "Defines the thematic material whose recurrence makes the fugal process recognisable.",
                        "rationale": "Entry counts and developmental claims depend on a defensible account of subject identity and permissible variation.",
                        "layers": [
                            {
                                "id": "subject-recognition",
                                "name": "Subject recognition",
                                "description": "Establishes subject boundaries and the features used to recognise subsequent appearances.",
                                "findings": [
                                    {
                                        "id": "subject-signature-and-limits",
                                        "name": "Subject signature and limits",
                                        "description": "Record each proposed subject's rhythmic and intervallic profile, beginning and ending, and uncertain or shortened appearances.",
                                        "questions": [
                                            {
                                                "text": "Which rhythmic and intervallic features identify each subject across its appearances?",
                                                "kind": "definition",
                                                "id": "subject-signature-and-limits-q01"
                                            },
                                            {
                                                "text": "Where does the subject end, and which later passages are complete entries, fragments or ambiguous resemblances?",
                                                "kind": "boundary",
                                                "id": "subject-signature-and-limits-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "answer-and-additional-subjects",
                                "name": "Answer and additional subjects",
                                "description": "Distinguishes answering forms of an existing subject from independently functioning subjects.",
                                "findings": [
                                    {
                                        "id": "thematic-role-assignment",
                                        "name": "Thematic role assignment",
                                        "description": "Record how proposed answers alter their subjects and whether additional thematic material merits separate subject status.",
                                        "questions": [
                                            {
                                                "text": "How does each proposed answer preserve or alter the subject's intervals, rhythm and pitch relationships?",
                                                "kind": "measurement",
                                                "id": "thematic-role-assignment-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes an additional subject from a countersubject or recurring subsidiary motive?",
                                                "kind": "definition",
                                                "id": "thematic-role-assignment-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "voices-and-contrapuntal-partners",
                        "name": "Voices and contrapuntal partners",
                        "description": "Tracks the independent musical strands and the material combined with thematic entries.",
                        "rationale": "A fugue's structure depends on relationships among voices, which cannot reliably be inferred from instrumentation or staff count.",
                        "layers": [
                            {
                                "id": "voice-continuity",
                                "name": "Voice continuity",
                                "description": "Follows contrapuntal strands through rests, crossings, doublings and changes of register.",
                                "findings": [
                                    {
                                        "id": "independent-voice-map",
                                        "name": "Independent voice map",
                                        "description": "Record voice identities and their subject-bearing passages, preserving uncertainty where notation or sound makes continuity ambiguous.",
                                        "questions": [
                                            {
                                                "text": "How many independent contrapuntal voices participate, and where does that number change?",
                                                "kind": "measurement",
                                                "id": "independent-voice-map-q01"
                                            },
                                            {
                                                "text": "Which crossings, doublings or handovers make voice identity uncertain?",
                                                "kind": "boundary",
                                                "id": "independent-voice-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "counterpoint-combinations",
                                "name": "Counterpoint combinations",
                                "description": "Examines recurring companions to the subject and the conditions under which combinations work.",
                                "findings": [
                                    {
                                        "id": "recurring-partners-and-exchanges",
                                        "name": "Recurring partners and exchanges",
                                        "description": "Record proposed countersubjects, free counterpoint and observed exchanges of relative voice position, assessed within an explicit stylistic frame.",
                                        "questions": [
                                            {
                                                "text": "Which material recurs against the subject, and how consistently does it retain its identity?",
                                                "kind": "definition",
                                                "id": "recurring-partners-and-exchanges-q01"
                                            },
                                            {
                                                "text": "Where do thematic partners exchange upper and lower positions, and what adaptations occur?",
                                                "kind": "measurement",
                                                "id": "recurring-partners-and-exchanges-q02"
                                            },
                                            {
                                                "text": "Which stylistic constraints must a proposed recombination or revision satisfy?",
                                                "kind": "action",
                                                "id": "recurring-partners-and-exchanges-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "entry-plan-and-development",
                        "name": "Entry plan and development",
                        "description": "Explains how successive entries, intervening passages and transformations sustain the fugal process.",
                        "rationale": "Recognising a subject is insufficient to explain how the fugue introduces, redistributes and develops it.",
                        "layers": [
                            {
                                "id": "exposition-and-later-entries",
                                "name": "Exposition and later entries",
                                "description": "Maps initial voice entries and subsequent entry groups without assuming a fixed universal plan.",
                                "findings": [
                                    {
                                        "id": "entry-sequence",
                                        "name": "Entry sequence",
                                        "description": "Record the ordering, voice, pitch level and thematic role of entries, including the proposed boundary of the exposition.",
                                        "questions": [
                                            {
                                                "text": "In what order, voices and pitch levels do the initial subject and answer entries occur?",
                                                "kind": "measurement",
                                                "id": "entry-sequence-q01"
                                            },
                                            {
                                                "text": "Where is the exposition understood to end, and which later entries form defensible groups?",
                                                "kind": "boundary",
                                                "id": "entry-sequence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "developmental-procedures",
                                "name": "Developmental procedures",
                                "description": "Tracks thematic change and connective activity between or across entries.",
                                "findings": [
                                    {
                                        "id": "transformation-overlap-and-episodes",
                                        "name": "Transformation, overlap and episodes",
                                        "description": "Record evidenced transformations, proposed stretto passages and episodic material, including how each relates to established subjects.",
                                        "questions": [
                                            {
                                                "text": "Which passages transform or fragment a subject, and what musical comparison supports each identification?",
                                                "kind": "definition",
                                                "id": "transformation-overlap-and-episodes-q01"
                                            },
                                            {
                                                "text": "For each proposed stretto, how far apart do the entries begin and how much do they overlap?",
                                                "kind": "measurement",
                                                "id": "transformation-overlap-and-episodes-q02"
                                            },
                                            {
                                                "text": "Which intervening passages function as episodes, and where are their boundaries uncertain?",
                                                "kind": "boundary",
                                                "id": "transformation-overlap-and-episodes-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "pitch-trajectory-and-closure",
                        "name": "Pitch trajectory and closure",
                        "description": "Relates local fugal activity to larger movement, arrival and ending.",
                        "rationale": "An agent needs to judge structural direction and completeness without requiring every fugue to use the same tonal or closing devices.",
                        "layers": [
                            {
                                "id": "pitch-and-arrival-map",
                                "name": "Pitch and arrival map",
                                "description": "Connects entry locations and intervening material to evidenced pitch organisation and structural arrivals.",
                                "findings": [
                                    {
                                        "id": "organising-centres-and-articulations",
                                        "name": "Organising centres and articulations",
                                        "description": "Record supported tonal centres or alternative pitch relationships, cadences and other articulations, distinguishing firm readings from alternatives.",
                                        "questions": [
                                            {
                                                "text": "Which pitch centres or alternative organising relationships govern successive entry groups and episodes?",
                                                "kind": "definition",
                                                "id": "organising-centres-and-articulations-q01"
                                            },
                                            {
                                                "text": "Which cadences or other musical arrivals support the proposed large-scale divisions?",
                                                "kind": "boundary",
                                                "id": "organising-centres-and-articulations-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ending-and-intervention",
                                "name": "Ending and intervention",
                                "description": "Assesses the ending and constrains proposed performance or compositional interventions.",
                                "findings": [
                                    {
                                        "id": "closure-evidence-and-permitted-changes",
                                        "name": "Closure evidence and permitted changes",
                                        "description": "Record how the available music ends, whether its completeness is established, and which changes or interpretive actions preserve the supported fugal relationships.",
                                        "questions": [
                                            {
                                                "text": "What thematic, textural and pitch evidence supports closure, or suggests that the available span ends without it?",
                                                "kind": "definition",
                                                "id": "closure-evidence-and-permitted-changes-q01"
                                            },
                                            {
                                                "text": "Which source establishes whether the ending is complete, fragmentary or supplied by another contributor?",
                                                "kind": "provenance",
                                                "id": "closure-evidence-and-permitted-changes-q02"
                                            },
                                            {
                                                "text": "Which performance annotations or proposed revisions follow from this analysis, and which require unresolved relationships to be settled first?",
                                                "kind": "action",
                                                "id": "closure-evidence-and-permitted-changes-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Baroque keyboard fugue",
                                            "choral fugue",
                                            "double fugue",
                                            "triple fugue",
                                            "permutation fugue",
                                            "ricercar-style fugue",
                                            "fugato",
                                            "school fugue"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "Q40470",
                                                "note": "musical form"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Taught as the principal species of imitative counterpoint in composition curricula.",
                                            "Used as a closing or climactic movement in sonatas, concertos, masses, and organ cycles."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "number of voices",
                                                "typical_range": "2-5, most often 3 or 4",
                                                "unit": "voices"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Subject that cannot invert or stretto cleanly.",
                                            "Excessive sequential episode that loses contrapuntal identity."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "German Baroque praxis (Bach) versus French and Italian 17th-century ricercar/canzona lineages."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "canon",
                                                "difference": "A canon is continuous strict imitation of a whole line; a fugue imitates a short subject and then proceeds by free counterpoint and episodes."
                                            },
                                            {
                                                "name": "invention",
                                                "difference": "An invention is a two-voice imitative piece without a full fugal exposition and without obligatory stretto or pedal."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of fugue this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.fugue definitively denote the musical construction, and does the registry include both independent fugues and embedded examples?",
                "Does an existing Vercy world model already own this concept or any of its proposed bundles?",
                "Which researched criteria should distinguish fugue from fugato, canon and other imitative forms across different musical traditions and periods?",
                "How should the model handle disputed subject endings, additional-subject classifications and exposition boundaries while retaining competing readings?",
                "Which analytical vocabulary and evidence requirements adequately cover modal, non-tonal, improvised and unfinished fugues?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 30
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "work, medium or creative form",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a fugue, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a musical fugue, assess its contrapuntal organisation and evidential completeness, and identify defensible analysis, performance or revision actions.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted",
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: fughetta, Mirror fugue.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 62 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a fugue, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "content that has to be carried by something else",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "read it and act on what it says",
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "What is seen is a copy or a performance, not the work. Recognising the work means recognising the content through whatever is carrying it."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "fughetta",
                        "Mirror fugue"
                    ]
                }
            ],
            "standing": "Described in 62 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one fugue from another, and a fugue from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a fugue sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a fugue from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a fugue passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a fugue between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a fugue, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a fugue is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "content-and-access",
                        "name": "Content, encoding and access",
                        "description": "What a fugue says, how it is encoded and who may read it.",
                        "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.",
                        "layers": [
                            {
                                "id": "content-and-encoding",
                                "name": "Content and encoding",
                                "description": "The content itself, its format and its language.",
                                "findings": [
                                    {
                                        "id": "content-and-format",
                                        "name": "Content, format and language",
                                        "description": "What a fugue contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q02",
                                                "text": "Who or what asserted this about the content of a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q03",
                                                "text": "What may an agent decide or do once the content of a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-rights",
                                "name": "Access, rights and retention",
                                "description": "Who may read, copy or change it, and for how long it is kept.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and retention",
                                        "description": "The permissions attached to a fugue and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "Who or what asserted this about access to a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q03",
                                                "text": "What may an agent decide or do once access to a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "work-and-manifestation",
                        "name": "Work, version and copy",
                        "description": "Which level of fugue a statement is about.",
                        "rationale": "The work, the edition, the file and the copy in hand are four things; rights and content attach to different ones.",
                        "layers": [
                            {
                                "id": "levels",
                                "name": "Levels of the thing",
                                "description": "Work, expression, manifestation and item, in plain terms.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs at each level",
                                        "description": "Which facts hold for the work and which only for one copy.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "For fugue, which facts belong to the work itself, which to a version, and which to a single copy?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifier exists at each level, and which one is being cited?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "versions",
                                "name": "Versions, editions and variants",
                                "description": "How versions differ and which is canonical to whom.",
                                "findings": [
                                    {
                                        "id": "version-record",
                                        "name": "Versions and canonicity",
                                        "description": "Differences that matter and who calls one authoritative.",
                                        "questions": [
                                            {
                                                "id": "version-record-q01",
                                                "text": "Which versions or editions of fugue exist, and how do they differ substantively?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "version-record-q02",
                                                "text": "Who treats which version as authoritative, and for what purpose?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "authorship-and-rights",
                        "name": "Authorship, rights and permitted use",
                        "description": "Who made fugue and what may be done with it.",
                        "rationale": "Rights are jurisdictional, time-limited and attached to a level, and an agent that ignores that will copy what it may not.",
                        "layers": [
                            {
                                "id": "authorship",
                                "name": "Authorship and contribution",
                                "description": "Who contributed what, and in what capacity.",
                                "findings": [
                                    {
                                        "id": "contribution-record",
                                        "name": "Contributors and roles",
                                        "description": "The people and bodies behind it, with their roles.",
                                        "questions": [
                                            {
                                                "id": "contribution-record-q01",
                                                "text": "Who authored or contributed to fugue, in what roles, and how is that attested?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "contribution-record-q02",
                                                "text": "Where authorship is disputed or anonymous, what is recorded instead?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rights",
                                "name": "Rights and permissions",
                                "description": "Which rights subsist, where, until when, and what they permit.",
                                "findings": [
                                    {
                                        "id": "rights-record",
                                        "name": "Rights, term and permitted acts",
                                        "description": "The regime in force and what it allows.",
                                        "questions": [
                                            {
                                                "id": "rights-record-q01",
                                                "text": "What rights subsist in fugue, in which jurisdictions, and until when?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "rights-record-q02",
                                                "text": "Which acts are permitted without further permission, and which must an agent refuse?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a fugue came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a fugue and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a fugue is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a fugue, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a fugue, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a fugue is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 12,
                "findings": 14,
                "questions": 38
            }
        }
    }
}