{ "id": "AIBD-0073", "title": "AI-completed Beethoven Tenth Symphony premiered by the Beethoven Orchester Bonn on 9 October 2021", "summary": "AI-completed Beethoven Tenth premiered 9 October 2021 by Beethoven Orchester Bonn under Dirk Kaftan at the Telekom Forum, Bonn", "date_observed": "2021-10-09", "date_basis": "unassessed", "date_precision": "unassessed", "benefit_status": null, "source_collection": null, "source_entry": null, "account": "On 9 October 2021 the Beethoven Orchester Bonn under Dirk Kaftan gave the world premiere of a Tenth Symphony completed with artificial intelligence. It was at the Telekom Forum in Bonn. Deutsche Telekom funded the project and organized the premiere, for Beethoven's 250th anniversary. Beethoven left only sketches for the work. A team led by musicologist Matthias Röder, with AI researcher Ahmed Elgammal and Mark Gotham, trained a model on Beethoven's output. It generated sketch continuations. Composer Walter Werzowa and musicologists chose and arranged the generated themes. Euronews reported on 13 October 2021 that the premiere had taken place in Bonn on 9 October. The benefit is a performed and recorded cultural artifact; the sources do not claim the result is Beethoven's.", "category": "benefit created", "unexpected": false, "purpose": "Generate a completion of Beethoven's unfinished Tenth Symphony from his sketches in his style", "system": "Beethoven X AI generative music model (Elgammal/Playform AI team)", "model_version": null, "developer": "Ahmed Elgammal (Rutgers University / Playform AI) with Mark Gotham", "deployer": "Deutsche Telekom (funder and concert organizer) with Beethoven Orchester Bonn", "location": "Bonn, Germany", "domain": "Music", "segment": "Classical music performance", "benefit_type": "Increased Creativity", "taxonomy_note": null, "registry_ids": {}, "ratings": [ { "group": "organizational", "depth": 1, "reason": "Small: a sponsor-funded premiere programmed by the orchestra and broadcast live, per the orchestra's concert page" }, { "group": "societal", "depth": 1, "reason": "Small: one new performance and recording of a hypothetical completion; Euronews states humans chose and arranged the generated themes" } ], "ai_role": { "status": "assessed", "statement": "The model generated candidate continuations of Beethoven's sketches. Humans (Werzowa and the musicologists) selected, arranged and orchestrated them, so the AI contribution was generative input within a human-curated process. The vendor-side accounts (Elgammal in The Conversation; Telekom) and the orchestra's own program page agree on the premiere." }, "evidence": [ { "kind": "press release", "citation": "Beethoven Orchester Bonn (2021). Beethoven X, concert page, 9 October 2021, Telekom Forum. beethoven-orchester.de.", "title": "Beethoven X The AI Project", "url": "https://www.beethoven-orchester.de/konzerte/beethoven-x", "date": "2021-10-09", "written_by": "deployer", "quote": "Sa 09/10/2021 19:00 Telekom Forum … Sinfonie Nr. 10 c-Moll (Uraufführung der durch Künstliche Intelligenz (KI) vollendeten 10. Sinfonie)" }, { "kind": "news report", "citation": "Euronews (2021). Artificial intelligence helps complete Beethoven symphony. Euronews.", "title": "Artificial intelligence helps complete Beethoven symphony", "url": "https://www.euronews.com/video/2021/10/13/artificial-intelligence-helps-complete-beethoven-symphony", "date": "2021-10-13", "written_by": "independent", "quote": "The world premiere was presented last Saturday (9 October) in Bonn, Germany, the birth city of the legendary composer." }, { "kind": "report", "citation": "Elgammal, A. (2021). How a team of musicologists and computer scientists completed Beethoven's unfinished 10th Symphony. The Conversation.", "title": "How a team of musicologists and computer scientists completed Beethoven's unfinished 10th Symphony", "url": "https://theconversation.com/how-a-team-of-musicologists-and-computer-scientists-completed-beethovens-unfinished-10th-symphony-168160", "date": "2021-09-24", "written_by": "makers", "quote": "set to be released on Oct. 9, 2021, the same day as the world premiere performance scheduled to take place in Bonn, Germany" }, { "kind": "press release", "citation": "Magyar Telekom (2021). Algorithms fine-tuned - The digital journey taken by Beethoven's unfinished Tenth Symphony. Telekom Hungary press release; issued by the project's funder, not by the model's developer.", "title": "Algorithms fine-tuned - The digital journey taken by Beethoven's unfinished Tenth Symphony", "url": "https://www.telekom.hu/about_us/press_room/press_releases/2021/october_1", "date": "2021-10-01", "written_by": "deployer", "quote": "The symphony created as a result of the unique cooperation between man and AI will premiere in Beethoven's birthplace, Bonn, Germany." } ], "replication": { "produced_by": [ "Beethoven's surviving sketches for the Tenth Symphony", "A generative model trained on Beethoven's complete works", "Human selection, arrangement and orchestration by Werzowa and the musicologists", "A sponsor and a professional orchestra willing to premiere the result" ], "must_hold": [ "Enough sketch material and corpus to condition the model", "Human curation of generated material", "A performing institution programs the work" ], "echoes": [] }, "paired_incident": { "database": "AI Incident Database", "identifier": "526", "title": "Novel Deepfake Song Pulled from Music Streaming Services After Allegedly Violating Artist's Rights", "url": "https://incidentdatabase.ai/cite/526", "severity": null, "group": "organizational", "basis": "Same task, AI generating new music in an existing artist's style: the “Heart On My Sleeve” track mimicking Drake and The Weeknd was pulled after Universal Music Group's takedown notices, harming the label and artists." }, "headline": "Beethoven X AI completes the Tenth Symphony; premiered in Bonn", "metric": null, "comparator": { "against": "earlier human completion attempts from the sketches, such as Barry Cooper's 1988 version of the first movement", "before": "impossible for symphony experts to go beyond that first movement", "after": "a complete symphony, with third and fourth movements generated with the AI, premiered on 9 October 2021", "basis": "assumed", "quote": "Yet the sparseness of Beethoven's sketches made it impossible for symphony experts to go beyond that first movement.", "url": "https://theconversation.com/how-a-team-of-musicologists-and-computer-scientists-completed-beethovens-unfinished-10th-symphony-168160" }, "later": { "status": "unknown", "date": null, "note": "The cited sources cover the premiere and the same-day recording release only; nothing later was found,.", "quote": null, "url": null }, "value": null, "developer_country": null, "deployer_country": "Germany", "unrated_because": null, "brief_notes": null, "brief": null, "revisions": [ { "date": "2026-10-20", "change": "Record drafted from the cited sources.", "source": null, "editor": "AIBD" }, { "date": "2026-10-20", "change": "Paired with AI Incident Database incident 526 (medium confidence); severity not given by the source.", "source": "https://incidentdatabase.ai/cite/526", "editor": "AIBD" }, { "date": "2026-10-20", "change": "Removed The Mindshift and Artrendex, which no cited source names, in favor of Playform AI as named by The Conversation; recast Deutsche Telekom as funder and concert organizer rather than project initiator; set the Magyar Telekom release to not vendor-authored as the funder's document; aligned the orchestra page and Telekom.hu evidence titles with the source headlines.", "source": "https://theconversation.com/how-a-team-of-musicologists-and-computer-scientists-completed-beethovens-unfinished-10th-symphony-168160", "editor": "AIBD" }, { "date": "2026-10-21", "change": "Added what the benefit is measured against from the cited sources.", "source": "https://theconversation.com/how-a-team-of-musicologists-and-computer-scientists-completed-beethovens-unfinished-10th-symphony-168160", "editor": "AIBD" }, { "date": "2026-10-21", "change": "Benefit type set to Increased Creativity under Trustible's full taxonomy of 23 types; it was Improved Knowledge Discovery among the six first used.", "source": "https://trustible.ai/post/a-framework-for-measuring-the-benefits-of-ai/", "editor": "AIBD" }, { "date": "2026-10-21", "change": "Country of the deployer added from the organization's own site or a registry.", "source": "https://en.wikipedia.org/wiki/Deutsche_Telekom", "editor": "AIBD" }, { "date": "2026-10-21", "change": "Prose pass: account, the system's part rewritten in shorter sentences with abbreviations expanded; facts, figures and quotations unchanged.", "source": null, "editor": "AIBD" } ], "confidence": "reported", "shade": "medium", "claim_status": "Independently reported", "claim_basis": "Sources: one independent news report, the makers' report and two press releases from the deployer. 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It was at the Telekom Forum in Bonn. Deutsche Telekom funded the project and organized the premiere, for Beethoven's 250th anniversary. Beethoven left only sketches for the work. A team led by musicologist Matthias Röder, with AI researcher Ahmed Elgammal and Mark Gotham, trained a model on Beethoven's output. It generated sketch continuations. Composer Walter Werzowa and musicologists chose and arranged the generated themes. Euronews reported on 13 October 2021 that the premiere had taken place in Bonn on 9 October. 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