{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.opera","code":"thing-q1344","url":"https://ver.cy/models/thing/q1344/","name":"opera","alternateNames":["tragedia lirica","tragédie en musique","lost opera","pastoral opera","television opera","opéra-ballet","Zhengzi opera","biographical opera","Hungarian opera","fur hat opera","ballad opera","drame lyrique"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.MED"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A dramatic work in which singers and musicians perform a story combining music, text, staging and often dance, developed in Italy around 1600 and spread worldwide in forms such as opera seria, opera buffa, tragedie en musique, opera-ballet, grand opera, verismo and contemporary and television opera; opera is performed in opera houses and festivals and is a major part of Western and global musical culture.","purpose":"Let an agent explain opera and its forms, describe specific works and composers with sources, support attending and learning about opera, and describe opera institutions and history.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Sung throughout or mostly","Dramatic","Orchestral","Institutionalised"],"structure":{"bundles":[{"id":"discover","name":"Discover","description":"Exploring opera.","layers":[{"id":"start","name":"Start","description":"Where to start.","findings":[{"id":"start-finding","name":"Start","description":"Getting started.","questions":[{"text":"Which operas suit a newcomer, and how can they be watched or heard?","kind":"action"},{"text":"What happens at an opera performance, and what etiquette applies?","kind":"provenance"}]}]},{"id":"work","name":"Work","description":"A specific opera.","findings":[{"id":"work-finding","name":"Work","description":"Specific opera.","questions":[{"text":"What is this opera about, who composed it and wrote the libretto, and when was it premiered, according to sources?","kind":"provenance"},{"text":"Which entry fits it?","kind":"action"}]}]}]},{"id":"forms","name":"Forms","description":"Kinds of opera.","layers":[{"id":"genres","name":"Genres","description":"Opera genres.","findings":[{"id":"genres-finding","name":"Genres","description":"Genres.","questions":[{"text":"What are opera seria, opera buffa, tragedie en musique, opera-ballet, grand opera and verismo?","kind":"definition"},{"text":"How does opera differ from musical theatre and oratorio?","kind":"definition"}]}]},{"id":"terms","name":"Terms","description":"Opera terms.","findings":[{"id":"terms-finding","name":"Terms","description":"Terms.","questions":[{"text":"What do terms such as aria, recitative, libretto, leitmotif and voice types mean?","kind":"definition"},{"text":"Which entry fits a voice type?","kind":"action"}]}]}]},{"id":"attend","name":"Attend","description":"Going to the opera.","layers":[{"id":"tickets","name":"Tickets","description":"Tickets and venues.","findings":[{"id":"tickets-finding","name":"Tickets","description":"Tickets.","questions":[{"text":"Which opera houses and festivals are nearby, and how are affordable tickets found?","kind":"provenance"},{"text":"Are performances streamed?","kind":"provenance"}]}]},{"id":"institutions","name":"Institutions","description":"Opera institutions.","findings":[{"id":"institutions-finding","name":"Institutions","description":"Institutions.","questions":[{"text":"How are opera houses organised and funded, and what debates surround public subsidy, with positions attributed?","kind":"provenance"},{"text":"Which entry fits a specific house?","kind":"action"}]}]}]},{"id":"history","name":"History","description":"History and world opera.","layers":[{"id":"history","name":"History","description":"History of opera.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did opera develop from Florentine beginnings through its national traditions to today?","kind":"provenance"},{"text":"Which composers and works are landmarks?","kind":"provenance"}]}]},{"id":"global","name":"Global","description":"Opera beyond Europe.","findings":[{"id":"global-finding","name":"Global","description":"Global opera.","questions":[{"text":"How has opera developed outside Europe, and how do Chinese opera and other sung dramas relate?","kind":"provenance"},{"text":"Which lost operas are known only from records?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Describe an opera's composer, librettist, premiere and plot from reliable sources.","Help audiences find performances, recordings and surtitles."],"mustNot":["Distribute recordings or scores of a production without the rights holders' permission.","Misattribute a work, aria or libretto to the wrong composer or writer.","Present a staging's changes as the original text or music of the work.","Reproduce stereotyped portrayals from a work without noting their history."],"requiresHuman":["Commissioning edits or cuts to a work for a production."]},"ethics":{"considerations":["Many operas carry racial, colonial or gender stereotypes that productions must handle with care.","Performers depend on fair credit and pay for their work in live and recorded forms."],"affectedParties":["Singers and musicians","Composers, librettists and their heirs","Audiences"]},"owners":{"steward":"The composer or rights holder for the work; the opera company for each production.","roles":[],"masterSystems":[]},"relations":[{"target":"Q123777276","type":"parent","note":"registry parent class"},{"target":"Q207628","type":"parent","note":"registry parent class"},{"target":"Q7777494","type":"parent","note":"registry parent class"},{"target":"Q9730","type":"parent","note":"registry parent class"},{"target":"musical drama","type":"related","note":"category"},{"target":"composed musical work","type":"related","note":"category"},{"target":"ballet","type":"related","note":"often combined"},{"target":"stylistic device","type":"related","note":"libretto techniques"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.opera","Wikidata: Q1344 (https://www.wikidata.org/wiki/Q1344)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Sung drama with orchestra","Staged","Musicals use spoken dialogue and different vocal styles; oratorios are unstaged","Staged performances with singers, orchestra, sets and costumes."]},"capabilities":{"applicability":"required","items":["explain opera forms and terms","describe specific works and composers","support attending and learning","describe institutions and history"]},"hazards":{"applicability":"required","items":["Confusing opera with musicals","Misattributing works","Inaccessible presentation for newcomers"]},"interfaces":{"applicability":"required","items":["Copyright on works and performances","Theatre safety regulations","Public funding rules for opera houses"]},"context":{"applicability":"required","items":["Sung dramatic works.","opera seria and opera buffa","French forms such as tragedie en musique and opera-ballet","grand opera and music drama","verismo and twentieth century opera","contemporary, chamber and television opera"]}},"sources":[{"title":"Wikidata item Q1344: opera","url":"https://www.wikidata.org/wiki/Q1344","note":"identity and sense of the item"},{"title":"Wikipedia: Opera","url":"https://en.wikipedia.org/wiki/Opera","note":"general description of the item"}],"openQuestions":["Should each opera be a separate entry?","How should performance databases be linked?","How should libretti be linked?"],"resources":{"spec":"/models/things/publications/thing-q1344/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1344/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T21:52:35Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:54+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties."},"score":1.0}}