{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.blues","code":"thing-q9759","url":"https://ver.cy/models/thing/q9759/","name":"blues","alternateNames":["African blues","blues standard","acoustic Chicago blues","harmonica blues","acoustic Memphis blues","Chicago blues","jug band","traditional blues","pre-war blues","contemporary blues","Delta blues","songsters music"],"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 music genre and form that originated among African Americans in the Deep South in the late nineteenth century, built on the twelve-bar blues progression, blue notes and call and response, with regional and stylistic variants such as Delta, Piedmont, Chicago, Memphis, harmonica and acoustic blues, blues standards, and later fusions and African blues; blues shaped jazz, rhythm and blues and rock and is documented by historians and archives.","purpose":"Let an agent explain the blues as a genre and form, describe its styles and history with attribution, support listening and playing, and identify notable artists and recordings.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Blues form and scale","Call and response","Regional styles","Wide influence"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"The blues form.","layers":[{"id":"form","name":"Form","description":"Form and elements.","findings":[{"id":"form-finding","name":"Form","description":"Form.","questions":[{"text":"What are the twelve-bar progression, blue notes, blues scale and call and response?","kind":"definition"},{"text":"How do lyrics typically work in the blues?","kind":"definition"}]}]},{"id":"styles","name":"Styles","description":"Styles.","findings":[{"id":"styles-finding","name":"Styles","description":"Styles.","questions":[{"text":"How do Delta, Piedmont, Chicago, Memphis, harmonica and other blues styles differ?","kind":"provenance"},{"text":"Which entry fits a specific style?","kind":"action"}]}]}]},{"id":"history","name":"History","description":"History of the blues.","layers":[{"id":"origins","name":"Origins","description":"Origins.","findings":[{"id":"origins-finding","name":"Origins","description":"Origins.","questions":[{"text":"How did the blues emerge from African American musical traditions in the Deep South, according to historians?","kind":"provenance"},{"text":"Which sources and archives document early blues?","kind":"provenance"}]}]},{"id":"influence","name":"Influence","description":"Influence.","findings":[{"id":"influence-finding","name":"Influence","description":"Influence.","questions":[{"text":"How did the blues shape jazz, rhythm and blues, rock and other genres, and what is African blues?","kind":"provenance"},{"text":"How is credit to originating artists addressed?","kind":"boundary"}]}]}]},{"id":"play","name":"Play","description":"Playing and listening.","layers":[{"id":"play","name":"Play","description":"Playing the blues.","findings":[{"id":"play-finding","name":"Play","description":"Playing.","questions":[{"text":"How can someone learn to play blues on guitar, harmonica or piano, starting with the twelve-bar form?","kind":"action"},{"text":"Which blues standards are good starting points?","kind":"provenance"}]}]},{"id":"listen","name":"Listen","description":"Listening.","findings":[{"id":"listen-finding","name":"Listen","description":"Listening.","questions":[{"text":"Which artists and recordings represent each style, according to critics and historians?","kind":"provenance"},{"text":"How can lyrics be discussed without reproducing them at length?","kind":"boundary"}]}]}]},{"id":"learn","name":"Learn","description":"Teaching and culture.","layers":[{"id":"teach","name":"Teach","description":"Teaching the blues.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can the blues be taught musically and historically?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]},{"id":"culture","name":"Culture","description":"Blues culture today.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How is the blues kept alive in festivals, museums and communities?","kind":"provenance"},{"text":"Which entry fits a specific festival?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Describe the blues, its forms and history, crediting its African American origins.","Name artists and recordings with sources for dates and attributions."],"mustNot":["Erase or downplay the African American origins of the blues.","Reproduce song lyrics beyond what copyright allows.","Misattribute songs or recordings to the wrong artist.","Present traditional songs as the property of a single performer without evidence."],"requiresHuman":["Licensing or publishing blues recordings."]},"ethics":{"considerations":["The blues grew from the experience of Black Americans under slavery and segregation.","Many early blues musicians were never fairly paid for their work."],"affectedParties":["African American communities","Musicians and their heirs","Listeners"]},"owners":{"steward":"The public: a tradition held in common; rights holders own particular songs and recordings.","roles":[],"masterSystems":["Copyright and music rights registers"]},"relations":[{"target":"Q107718737","type":"parent","note":"registry parent class"},{"target":"Q373342","type":"parent","note":"registry parent class"},{"target":"popular music","type":"related","note":"category"},{"target":"music of North America","type":"related","note":"category"},{"target":"jazz","type":"related","note":"related genre"},{"target":"guitar","type":"related","note":"characteristic instrument"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.blues","Wikidata: Q9759 (https://www.wikidata.org/wiki/Q9759)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Twelve-bar form and blue notes","African American origin","Jazz and rhythm and blues are related but distinct genres","Not physical; music heard in recordings and performance."]},"capabilities":{"applicability":"required","items":["explain the form and styles","describe history with attribution","support listening and playing","identify artists and recordings"]},"hazards":{"applicability":"required","items":["Erasing African American origins","Reproducing lyrics beyond fair use","Oversimplifying regional styles"]},"interfaces":{"applicability":"required","items":["Copyright on recordings and compositions","Archival standards for recordings"]},"context":{"applicability":"required","items":["A foundational African American music genre.","Delta and country blues","Piedmont and Memphis blues","Chicago and electric blues","harmonica and acoustic blues","blues standards and blues-influenced genres"]}},"sources":[{"title":"Wikidata item Q9759: blues","url":"https://www.wikidata.org/wiki/Q9759","note":"identity and sense of the item"},{"title":"Wikipedia: Blues","url":"https://en.wikipedia.org/wiki/Blues","note":"general description of the item"}],"openQuestions":["Should each style be a separate entry?","How should discographies be linked?","How should archives be linked?"],"resources":{"spec":"/models/things/publications/thing-q9759/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q9759/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T23:44:46Z","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 2026-10-06T19:52:03+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}}