{
    "model": {
        "rank": 9917,
        "code": "thing-q2088357",
        "model_id": "vr.tr.musical-ensemble",
        "name": "musical ensemble",
        "purpose": "Let an agent handle musical ensembles by type, size, repertoire, membership and performances.",
        "family": "Thing Registry",
        "category": "Society, people and institutions",
        "status": "research-draft",
        "kind": "thing",
        "plane": "SOC",
        "domain": "SOC.ORG",
        "industry": "",
        "version": "",
        "url": "/models/thing/q2088357/",
        "tier": 2,
        "score": 46,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Orquesta de la Universidad de Alcalá",
                "sazanda",
                "choir school",
                "glee club",
                "military band",
                "military marching band",
                "inactive group",
                "treboadas",
                "ensemble for five clarinets",
                "dúo tradicional",
                "instrumental ensemble",
                "gamelan",
                "continuo group",
                "tribute band",
                "folk ensemble",
                "Honey Motel",
                "offstage instrument or choir part in classical music",
                "marching band",
                "rhythm section",
                "orbi",
                "concertino",
                "Bate",
                "jazz band",
                "Dance ensemble",
                "nonet",
                "Fest-Noz group",
                "wiyaga",
                "Tanjidor",
                "musical trio",
                "Khener",
                "cancioneiro",
                "vocal ensemble",
                "clarinet choir",
                "early music ensemble",
                "decet",
                "mahori",
                "community band",
                "Conjunto huasteco",
                "Conjunto jarocho",
                "duodecet"
            ],
            "aliasCount": 101,
            "merged": 102,
            "knownIn": 46,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q2088357",
                "url": "https://www.wikidata.org/wiki/Q2088357",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-11T08:29:38Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 1,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q2088357",
                "registryId": "vr.tr.musical-ensemble",
                "name": "musical ensemble",
                "version": "0.2.0-wave.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "SOC.ORG"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q2088357/",
            "model": {
                "registry_id": "vr.tr.musical-ensemble",
                "name": "musical ensemble",
                "purpose": "Let an agent handle musical ensembles by type, size, repertoire, membership and performances.",
                "definition": "A group of musicians who perform together, such as orchestras, bands, choirs, chamber ensembles, glee clubs, military bands and traditional ensembles.",
                "what_it_is_for": "Performing music together.",
                "affordances": [
                    "find ensembles to join",
                    "look up performances and recordings",
                    "understand ensemble types and sizes",
                    "organise rehearsals and concerts"
                ],
                "distinguishing_features": [
                    "Musicians performing together",
                    "Many types and sizes",
                    "Amateur or professional",
                    "Repertoire defines style"
                ],
                "appearance": "Groups of performers with instruments or voices on stage or in procession.",
                "visual_identification": [
                    "Types such as orchestra, choir, band",
                    "Ensemble name and conductor or leader",
                    "Traditional ensembles by region"
                ],
                "physical_properties": [
                    {
                        "quantity": "size",
                        "typical_range": "2-100 or more",
                        "unit": "performers",
                        "note": "duo to symphony orchestra"
                    }
                ],
                "families_and_kinds": [
                    "orchestras",
                    "choirs and glee clubs",
                    "bands including military and marching bands",
                    "chamber ensembles",
                    "traditional and folk ensembles"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "performing arts group",
                        "why": "category"
                    },
                    {
                        "relation": "performs",
                        "target": "music",
                        "why": "art form"
                    },
                    {
                        "relation": "includes",
                        "target": "singer and musician",
                        "why": "members"
                    },
                    {
                        "relation": "is related to",
                        "target": "musical instrument",
                        "why": "means"
                    }
                ],
                "identifiers": [
                    {
                        "scheme": "Wikidata item",
                        "value_or_pattern": "per ensemble",
                        "note": "instances"
                    },
                    {
                        "scheme": "ISNI",
                        "value_or_pattern": "performer identifier",
                        "note": "ensembles"
                    }
                ],
                "standards_and_regulation": [
                    "Performance licensing",
                    "Safeguarding for youth ensembles",
                    "Noise at work rules for musicians"
                ],
                "failure_modes_and_hazards": [
                    "Hearing damage for musicians",
                    "Confusing ensembles with similar names",
                    "Safeguarding failures in youth groups"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "type",
                        "name": "Type",
                        "description": "Which ensemble.",
                        "rationale": "Type and size.",
                        "layers": [
                            {
                                "id": "kind",
                                "name": "Kind",
                                "description": "Orchestra, choir, band.",
                                "findings": [
                                    {
                                        "id": "kind-finding",
                                        "name": "Kind",
                                        "description": "Ensemble type.",
                                        "questions": [
                                            {
                                                "text": "What type of ensemble is it?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "How many members?",
                                                "kind": "measurement"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "repertoire",
                                "name": "Repertoire",
                                "description": "Music.",
                                "findings": [
                                    {
                                        "id": "repertoire-finding",
                                        "name": "Repertoire",
                                        "description": "Repertoire.",
                                        "questions": [
                                            {
                                                "text": "What music does it perform?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Which composers or styles?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "identity",
                        "name": "Identity",
                        "description": "Name and people.",
                        "rationale": "Names repeat.",
                        "layers": [
                            {
                                "id": "name",
                                "name": "Name",
                                "description": "Ensemble.",
                                "findings": [
                                    {
                                        "id": "name-finding",
                                        "name": "Name",
                                        "description": "Ensemble identity.",
                                        "questions": [
                                            {
                                                "text": "Which ensemble is meant, and where is it based?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Who leads or conducts it?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "recordings",
                                "name": "Recordings",
                                "description": "Discography.",
                                "findings": [
                                    {
                                        "id": "recordings-finding",
                                        "name": "Recordings",
                                        "description": "Recordings.",
                                        "questions": [
                                            {
                                                "text": "What recordings has it released?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Where are they available?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "joining",
                        "name": "Joining",
                        "description": "Participation.",
                        "rationale": "Many ensembles welcome members.",
                        "layers": [
                            {
                                "id": "auditions",
                                "name": "Auditions",
                                "description": "Entry.",
                                "findings": [
                                    {
                                        "id": "auditions-finding",
                                        "name": "Auditions",
                                        "description": "Joining.",
                                        "questions": [
                                            {
                                                "text": "How can someone join, and is there an audition?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "What level is needed?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "youth",
                                "name": "Youth",
                                "description": "Safeguarding.",
                                "findings": [
                                    {
                                        "id": "youth-finding",
                                        "name": "Youth",
                                        "description": "Youth ensembles.",
                                        "questions": [
                                            {
                                                "text": "Does the youth ensemble have safeguarding policies?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "How can concerns be raised?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "health",
                        "name": "Health",
                        "description": "Musicians.",
                        "rationale": "Musicians face risks.",
                        "layers": [
                            {
                                "id": "hearing",
                                "name": "Hearing",
                                "description": "Protection.",
                                "findings": [
                                    {
                                        "id": "hearing-finding",
                                        "name": "Hearing",
                                        "description": "Hearing protection.",
                                        "questions": [
                                            {
                                                "text": "Are musicians protected from high sound levels?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "Which measures are used?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "strain",
                                "name": "Strain",
                                "description": "Injury.",
                                "findings": [
                                    {
                                        "id": "strain-finding",
                                        "name": "Strain",
                                        "description": "Playing injuries.",
                                        "questions": [
                                            {
                                                "text": "How can playing-related injuries be prevented?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "When should a specialist be seen?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should ensemble types be separate entries?",
                "How should ensembles be linked as instances?",
                "How should membership changes be recorded?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "organisation or institution",
            "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 musical ensemble, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent handle musical ensembles by type, size, repertoire, membership and performances.",
            "characteristics": {
                "substance": "social",
                "origin": "conceptual",
                "agency": "collective"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Orquesta de la Universidad de Alcalá, sazanda, choir school, glee club, military band, military marching band, inactive group, treboadas, ensemble for five clarinets, dúo tradicional, instrumental ensemble, gamelan.",
                "102 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 46 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 musical ensemble, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "a social arrangement between people",
            "physicalCharacter": [
                "Acts through people, and only through them.",
                "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": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Nothing to see. Recognised by name, register entry and the people acting in its name, and those change while it stays the same body."
            ],
            "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": [
                        "Orquesta de la Universidad de Alcalá",
                        "sazanda",
                        "choir school",
                        "glee club",
                        "military band",
                        "military marching band",
                        "inactive group",
                        "treboadas",
                        "ensemble for five clarinets",
                        "dúo tradicional",
                        "instrumental ensemble",
                        "gamelan"
                    ]
                }
            ],
            "standing": "Described in 46 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 102 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 musical ensemble from another, and a musical ensemble 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 musical ensemble, 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 musical ensemble, 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 musical ensemble 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 musical ensemble, 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 musical ensemble, 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 musical ensemble 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 musical ensemble 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 musical ensemble, 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 musical ensemble, 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 musical ensemble 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 musical ensemble from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a musical ensemble, 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 musical ensemble, 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 musical ensemble 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 musical ensemble 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 musical ensemble between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a musical ensemble, 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 musical ensemble, 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 musical ensemble 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 musical ensemble, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a musical ensemble 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 musical ensemble, 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 musical ensemble, 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 musical ensemble is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "people-and-responsibility",
                        "name": "People, roles and responsibility",
                        "description": "Who stands in what relation to a musical ensemble.",
                        "rationale": "Social things are defined by the relations people hold to them, and those relations change without the thing changing.",
                        "layers": [
                            {
                                "id": "roles-and-parties",
                                "name": "Roles and parties",
                                "description": "The roles that exist around a musical ensemble and who fills them.",
                                "findings": [
                                    {
                                        "id": "role-assignments",
                                        "name": "Role assignments and their validity",
                                        "description": "Who holds which role over a musical ensemble, from when, and on whose authority.",
                                        "questions": [
                                            {
                                                "id": "role-assignments-q01",
                                                "text": "What identifies and describes a role over a musical ensemble, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "role-assignments-q02",
                                                "text": "Who or what asserted this about a role over a musical ensemble, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "role-assignments-q03",
                                                "text": "What may an agent decide or do once a role over a musical ensemble is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ownership-and-accountability",
                                "name": "Ownership and accountability",
                                "description": "Who answers for a musical ensemble and who may decide about it.",
                                "findings": [
                                    {
                                        "id": "accountability",
                                        "name": "Accountability and decision rights",
                                        "description": "Where responsibility for a musical ensemble sits when something goes wrong.",
                                        "questions": [
                                            {
                                                "id": "accountability-q01",
                                                "text": "What identifies and describes responsibility for a musical ensemble, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "accountability-q02",
                                                "text": "Who or what asserted this about responsibility for a musical ensemble, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "accountability-q03",
                                                "text": "What may an agent decide or do once responsibility for a musical ensemble is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "legal-identity",
                        "name": "Legal identity and mandate",
                        "description": "What musical ensemble is in law and what it exists to do.",
                        "rationale": "Legal identity survives changes of name, address, staff and premises, which is exactly why it must be recorded separately from all of them.",
                        "layers": [
                            {
                                "id": "registration",
                                "name": "Legal form and registration",
                                "description": "Form, register, identifiers and jurisdiction.",
                                "findings": [
                                    {
                                        "id": "registration-record",
                                        "name": "Registration and identifiers",
                                        "description": "What names this body unambiguously in law.",
                                        "questions": [
                                            {
                                                "id": "registration-record-q01",
                                                "text": "What legal form does musical ensemble take, in which register, under which identifier?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "registration-record-q02",
                                                "text": "What survives a rename, a merger or a move of premises, and what does not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mandate",
                                "name": "Mandate and governing instrument",
                                "description": "The purpose it is bound to and the document that binds it.",
                                "findings": [
                                    {
                                        "id": "mandate-record",
                                        "name": "Mandate and its source",
                                        "description": "What it may do, and the instrument that says so.",
                                        "questions": [
                                            {
                                                "id": "mandate-record-q01",
                                                "text": "What is the mandate of musical ensemble, and which founding or governing instrument grants it?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "mandate-record-q02",
                                                "text": "What lies outside the mandate, and what should an agent do when asked for it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "governance-and-membership",
                        "name": "Governance, membership and decision rights",
                        "description": "Who decides in musical ensemble and who belongs to it.",
                        "rationale": "Authority inside an organisation is held by roles, not people, and an agent needs to know which role can commit it.",
                        "layers": [
                            {
                                "id": "decision-rights",
                                "name": "Decision rights",
                                "description": "Bodies, offices and what each may bind.",
                                "findings": [
                                    {
                                        "id": "authority-map",
                                        "name": "Who may bind the organisation",
                                        "description": "The offices that can commit it and their limits.",
                                        "questions": [
                                            {
                                                "id": "authority-map-q01",
                                                "text": "Which bodies or offices of musical ensemble may take which decisions, and up to what limit?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "authority-map-q02",
                                                "text": "What evidence shows that a given person currently holds that office?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "membership",
                                "name": "Membership and affiliation",
                                "description": "Who counts as part of it and on what terms.",
                                "findings": [
                                    {
                                        "id": "membership-rules",
                                        "name": "Membership and its evidence",
                                        "description": "Classes of member, how membership starts and ends.",
                                        "questions": [
                                            {
                                                "id": "membership-rules-q01",
                                                "text": "What kinds of membership or affiliation does musical ensemble have, and how does each begin and end?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "membership-rules-q02",
                                                "text": "What may a member do in its name, and what may they not?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a musical ensemble 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 musical ensemble and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a musical ensemble, 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 musical ensemble, 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 musical ensemble 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 musical ensemble is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a musical ensemble, 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 musical ensemble, 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 musical ensemble 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
            }
        }
    }
}