{ "model": { "rank": 1453, "code": "thing-q9730", "model_id": "vr.tr.classical-music", "name": "classical music", "purpose": "Let an agent handle classical music by work, composer, period, form, performers and recordings, with catalogue numbers for precise identification.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.MED", "industry": "", "version": "", "url": "/models/thing/q9730/", "tier": 2, "score": 145, "payload": { "layer": "wikidata", "aliases": [ "baroque zarzuela", "string quartet", "string quintet", "horn trio", "national classical music", "młoda polska", "English Pastoral School", "Latin American classical music", "symphonic music", "art lyrique", "classical electronic music", "classical guitar repertoire", "string orchestra music", "string band music", "clarinet quintet music", "ballade", "Saint Petersburg school", "Czech national classical music", "postromantic music", "character piece", "Spanish classical music", "Moscow school", "microtonal classical music", "indie classical", "Kamarinskaya", "kozak", "krakowiak", "kujawiak", "loure", "classical dance music", "divertissement", "compositional music", "Israeli classical music", "Ladainha", "Novena", "20th-century classical music", "Tafelmusik", "classical guitar music", "light music", "Turkish music style" ], "aliasCount": 130, "merged": 130, "knownIn": 145, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q9730", "url": "https://www.wikidata.org/wiki/Q9730", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T05:54:40Z", "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-Q9730", "registryId": "vr.tr.classical-music", "name": "classical music", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.MED" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q9730/", "model": { "registry_id": "vr.tr.classical-music", "name": "classical music", "purpose": "Let an agent handle classical music by work, composer, period, form, performers and recordings, with catalogue numbers for precise identification.", "definition": "Art music in the Western tradition, especially from the medieval period to the present and centrally the common-practice era, including symphonies, chamber music such as string quartets, opera and choral works; national classical traditions exist worldwide.", "what_it_is_for": "Listening, performance, study and cultural heritage.", "affordances": [ "perform and listen", "identify works by catalogue numbers", "study scores and history", "license recordings and performances" ], "distinguishing_features": [ "Notated art music tradition", "Works identified by catalogue numbers", "Performances and recordings are separate from the work", "Non-Western classical traditions also exist" ], "appearance": "Concerts, scores, recordings; ensembles from soloists to orchestras.", "visual_identification": [ "Work titles with catalogue numbers such as BWV or K.", "Forms such as string quartet or horn trio", "Period labels such as Baroque or Romantic" ], "physical_properties": [], "families_and_kinds": [ "medieval and Renaissance", "Baroque, Classical and Romantic periods", "modern and contemporary", "forms: symphony, concerto, opera, chamber music", "national traditions such as Mloda Polska" ], "related_models": [ { "relation": "is a kind of", "target": "music", "why": "art music" }, { "relation": "is performed by", "target": "musician", "why": "performers" }, { "relation": "is written by", "target": "composer", "why": "author" }, { "relation": "is recorded as", "target": "recording", "why": "media" } ], "identifiers": [ { "scheme": "catalogue number", "value_or_pattern": "BWV, K., Op. and others", "note": "identifies works" }, { "scheme": "ISWC", "value_or_pattern": "T-plus digits", "note": "musical works" } ], "standards_and_regulation": [ "Copyright for works and performances", "Public domain rules for older works" ], "failure_modes_and_hazards": [ "Confusing works with similar titles", "Misattributing recordings", "Assuming all performances are public domain" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "work", "name": "Work", "description": "Which piece.", "rationale": "Catalogue numbers identify works.", "layers": [ { "id": "identity", "name": "Identity", "description": "Title and catalogue.", "findings": [ { "id": "identity-finding", "name": "Work identity", "description": "Title and catalogue number.", "questions": [ { "text": "Which work, with which catalogue number?", "kind": "provenance" }, { "text": "Who composed it, and when?", "kind": "provenance" } ] } ] }, { "id": "form", "name": "Form", "description": "Symphony, quartet.", "findings": [ { "id": "form-finding", "name": "Form", "description": "Form and scoring.", "questions": [ { "text": "What form and instrumentation?", "kind": "definition" }, { "text": "How many movements?", "kind": "measurement" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Period and style.", "rationale": "Context explains style.", "layers": [ { "id": "period", "name": "Period", "description": "Era.", "findings": [ { "id": "period-finding", "name": "Period", "description": "Historical period.", "questions": [ { "text": "Which period and style does it belong to?", "kind": "definition" }, { "text": "Which influences shaped it?", "kind": "provenance" } ] } ] }, { "id": "reception", "name": "Reception", "description": "History.", "findings": [ { "id": "reception-finding", "name": "Reception", "description": "Reception history.", "questions": [ { "text": "How was it received?", "kind": "provenance" }, { "text": "Is it widely performed?", "kind": "measurement" } ] } ] } ] }, { "id": "performance", "name": "Performance", "description": "Playing and recording.", "rationale": "Performances differ.", "layers": [ { "id": "performers", "name": "Performers", "description": "Ensembles and soloists.", "findings": [ { "id": "performers-finding", "name": "Performers", "description": "Performers.", "questions": [ { "text": "Who performs this recording or concert?", "kind": "provenance" }, { "text": "Which edition of the score?", "kind": "provenance" } ] } ] }, { "id": "recordings", "name": "Recordings", "description": "Discography.", "findings": [ { "id": "recordings-finding", "name": "Recordings", "description": "Recordings.", "questions": [ { "text": "Which recordings exist?", "kind": "provenance" }, { "text": "Are they correctly credited?", "kind": "boundary" } ] } ] } ] }, { "id": "rights", "name": "Rights", "description": "Copyright.", "rationale": "Works and recordings have separate rights.", "layers": [ { "id": "work-rights", "name": "Work rights", "description": "Composition copyright.", "findings": [ { "id": "work-rights-finding", "name": "Work rights", "description": "Copyright in the work.", "questions": [ { "text": "Is the work in the public domain?", "kind": "boundary" }, { "text": "Are modern editions protected?", "kind": "boundary" } ] } ] }, { "id": "recording-rights", "name": "Recording rights", "description": "Performances.", "findings": [ { "id": "recording-rights-finding", "name": "Recording rights", "description": "Rights in recordings.", "questions": [ { "text": "Who holds rights in this recording?", "kind": "provenance" }, { "text": "How can it be licensed?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should works be instances with catalogue numbers?", "How should performances and recordings be linked?", "How should non-Western classical traditions be represented?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "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 classical music, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent handle classical music by work, composer, period, form, performers and recordings, with catalogue numbers for precise identification.", "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: baroque zarzuela, string quartet, string quintet, horn trio, national classical music, młoda polska, English Pastoral School, Latin American classical music, symphonic music, art lyrique, classical electronic music, classical guitar repertoire.", "130 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 145 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 classical music, 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": [ "baroque zarzuela", "string quartet", "string quintet", "horn trio", "national classical music", "młoda polska", "English Pastoral School", "Latin American classical music", "symphonic music", "art lyrique", "classical electronic music", "classical guitar repertoire" ] } ], "standing": "Described in 145 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 130 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 classical music from another, and a classical music 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 classical music, 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 classical music, 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 classical music 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 classical music, 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 classical music, 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 classical music 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 classical music 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 classical music, 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 classical music, 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 classical music 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 classical music from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a classical music, 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 classical music, 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 classical music 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 classical music 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 classical music between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a classical music, 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 classical music, 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 classical music 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 classical music, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a classical music 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 classical music, 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 classical music, 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 classical music 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 classical music 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 classical music contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a classical music, 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 classical music, 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 classical music 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 classical music and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a classical music, 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 classical music, 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 classical music 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 classical music 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 classical music, 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 classical music 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 classical music 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 classical music, 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 classical music, 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 classical music 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 classical music and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a classical music, 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 classical music, 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 classical music 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 classical music is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a classical music, 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 classical music, 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 classical music 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 } } } }