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album: Othmar Schoeck: Vom Fischer un syner Fru, Op. 43
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  date published: 2018-12-14
album: CPE Bach: Flute Concertos & Sinfonias
  type: MusicAlbum
  date published: 2019-10-04
album: Mendelssohn: Symphony No. 2
  type: MusicAlbum
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album: Jürg Dähler · Viola Concertos / Signatures of Life – LIVE!
  type: MusicAlbum
  date published: 2021
album: Violin Concertos Nos. 1 & 2
  type: MusicAlbum
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album: Mendelssohn: Die erste Walpurgisnacht, Op. 60
  type: MusicAlbum
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album: Mozart & Salieri: Arien und Ouvertüren
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album: Schubert & Liszt: Excursions
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  track: Concerto for 2 Pianos and Orchestra: III. Fuga chromatica - Allegro
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      date published: 2026-07-08T03:20:19Z
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album: Schubert: Symphonies No. 7 & 8
album: Schubert: Rosamunde
album: Strauss: Der Bürger als Edelmann, Vier letzte Lieder
album: «Werden» works by Mozart - Beethoven - Tarrodi
album: Berg: Orchestral Works
album: Petar i vuk, Op. 67
album: Pierino e il Lupo, una fiaba musicale per bambini, Op. 67
album: «Sein» works by Mozart - Syrse - Haydn - J.-C. Bach
album: Pedro y el lobo, un cuento musical para niños, Op. 67
album: Prokovief Pieder ed il luf, ina praula musicala per affons Op. 67 (Romansh Version)
album: Pedro e o lobo, um conto de fadas musical para crianças Op. 67
album: Peter ve Kurt, çocuklar için müzikal bir masaldır Op. 67
album: Piteri dhe ujku, një përrallë muzikore për fëmijë, Op. 67
album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
album: Peter und der Wolf, Op. 67 / Der Karneval der Tiere
album: Mozart & Schoeck: Serenades
album: Vergehen: works by Haydn - Mozart - Kendall
album: بيتر والذئب، حكاية موسيقية خرافية للأطفال Op. 67
album: Franz Xaver Mozart: The Two Piano Concertos
album: Rauchenecker: Orchestral Works
album: Eternal Movement
album: Mozart: Piano Concertos Nos. 19 & 20
album: Richard Dubugnon: Klavieriana, Op. 70 & Chamber Symphonies Nos. 1 & 2
album: Rudolf Kelterborn: Ensemble-Buch I, Musik mit 5 Trios & Gesänge zur Nacht (Live)
album: Brahms: The Symphonies
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album: Live at Winterthur
album: Music for the University Zurich
album: Rococo
album: Mendelssohn: Symphonies No. 1 & 5
album: Mendelssohn: Symphonies No. 3 & 4

IV. E in quel momento…
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audio: IV. E in quel momento…
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I. Questa è una fiaba musicale
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II. Una mattina presto…
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audio: II. Una mattina presto…
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III. All’improvviso, Pierino vide…
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  date published: 2026-07-31T08:38:45Z
audio: III. All’improvviso, Pierino vide…
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additional property: OTSVerifyInstructions
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V. In alto, sull’albero…
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by artist: Musikkollegium Winterthur
by artist: Roberto González-Monjas
by artist: Christa Rigozzi
in album: Pierino e il Lupo, una fiaba musicale per bambini, Op. 67
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genre: classical
genre: orchestra
genre: neoclassical
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  date published: 2026-07-31T18:48:12Z
audio: V. In alto, sull’albero…
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additional property: OTSVerifyInstructions
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VI. Fatemi andare a casa…
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by artist: Musikkollegium Winterthur
by artist: Roberto González-Monjas
by artist: Christa Rigozzi
in album: Pierino e il Lupo, una fiaba musicale per bambini, Op. 67
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genre: classical
genre: orchestra
genre: neoclassical
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  date published: 2026-07-31T16:07:24Z
audio: VI. Fatemi andare a casa…
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additional property: OTSVerifyInstructions
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VII. E quindi, tutti insieme…
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by artist: Christa Rigozzi
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genre: classical
genre: orchestra
genre: neoclassical
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  date published: 2026-07-31T15:20:15Z
audio: VII. E quindi, tutti insieme…
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Symphony No. 40 in G Minor, K. 550: I. Allegro moderato
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by artist: Roberto González-Monjas
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 40 in G Minor, K. 550: I. Allegro moderato
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Symphony in G Miinor, Op. 6/6: I. Allegro
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by artist: Musikkollegium Winterthur
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:22:41Z
audio: Symphony in G Miinor, Op. 6/6: I. Allegro
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Pedro e o lobo, um conto de fadas musical para crianças. Op. 67: I. Pedro e o lobo é um conto de fadas musical…
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duration ms: 116026
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by artist: Roberto González-Monjas
by artist: Jefferson Schroeder
by artist: Musikkollegium Winterthur
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Pedro e o lobo, um conto de fadas musical para crianças. Op. 67: I. Pedro e o lobo é um conto de fadas musical…
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Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: V. Agora eles estavam assim…
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  date published: 2026-07-08T08:56:20Z
audio: Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: V. Agora eles estavam assim…
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Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: II. Uma certa manhã…
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by artist: Roberto González-Monjas
by artist: Jefferson Schroeder
by artist: Musikkollegium Winterthur
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genre: classical
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  date published: 2026-07-31T02:19:15Z
audio: Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: II. Uma certa manhã…
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additional property: OTSVerifyInstructions
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Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: III. De repente, Peter se deu conta de algo…
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by artist: Roberto González-Monjas
by artist: Jefferson Schroeder
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in album: Pedro e o lobo, um conto de fadas musical para crianças Op. 67
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genre: classical
genre: orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:35:24Z
audio: Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: III. De repente, Peter se deu conta de algo…
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additional property: OTSVerifyInstructions
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Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: IV. E realmente: mal Pedro havia ido embora…
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by artist: Roberto González-Monjas
by artist: Jefferson Schroeder
by artist: Musikkollegium Winterthur
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genre: classical
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  date published: 2026-07-30T14:36:16Z
audio: Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: IV. E realmente: mal Pedro havia ido embora…
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: VI. Porém caçadores vieram da floresta…
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by artist: Roberto González-Monjas
by artist: Jefferson Schroeder
by artist: Musikkollegium Winterthur
in album: Pedro e o lobo, um conto de fadas musical para crianças Op. 67
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genre: classical
genre: orchestra
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T22:27:44Z
audio: Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: VI. Porém caçadores vieram da floresta…
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additional property: OTSVerifyInstructions
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Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: VII. E então imaginem só este cortejo triunfal…
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by artist: Musikkollegium Winterthur
in album: Pedro e o lobo, um conto de fadas musical para crianças Op. 67
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genre: classical
genre: orchestra
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Pedro e o lobo, um conto de fadas musical para crianças, Op. 67: VII. E então imaginem só este cortejo triunfal…
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Pierre et le loup, Op. 67, conte musical pour enfants: II. Un beau matin, Pierre ouvrit la porte du jardin…
type: MusicRecording
duration: PT4M56S
duration ms: 296840
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
isrc code: CH1262104702
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104702
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba2a10e5df237fb25cad4134b8d472dabf2f51e10d34708d20a8c04e6ceeea0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104702.
  date published: 2026-07-08T08:56:20Z
audio: Pierre et le loup, Op. 67, conte musical pour enfants: II. Un beau matin, Pierre ouvrit la porte du jardin…
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Pierre et le loup, Op. 67, conte musical pour enfants: VI. C'est alors…
type: MusicRecording
duration: PT2M19S
duration ms: 139253
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
isrc code: CH1262104706
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5b280053d214f7679dea34e6ff650740f5f60cd9a87c77658af73928143a74. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104706.
  date published: 2026-07-08T03:22:41Z
audio: Pierre et le loup, Op. 67, conte musical pour enfants: VI. C'est alors…
  type: AudioObject
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    type: PropertyValue
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Pierre et le loup, Op. 67, conte musical pour enfants: VII. Et maintenant, imaginez la marche triomphale…
type: MusicRecording
duration: PT4M46S
duration ms: 286293
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
isrc code: CH1262104707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:44:36+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xaed55e4609421158ecc8c0803c7759ec42bf4bcef9bcddea2ffeec9bbd28bdf9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104707
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957124
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:53:27+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaed55e4609421158ecc8c0803c7759ec42bf4bcef9bcddea2ffeec9bbd28bdf9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104707.
  date published: 2026-07-08T03:53:27Z
audio: Pierre et le loup, Op. 67, conte musical pour enfants: VII. Et maintenant, imaginez la marche triomphale…
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 128.679
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.77
  additional property: Key Name
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    value: G
  additional property: Mode Name
    type: PropertyValue
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Pierre et le loup, Op. 67, conte musical pour enfants: I. Introduction
type: MusicRecording
duration: PT2M6S
duration ms: 126573
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64a5ce87927c67cd41f4c9cf26a8d474d08e00dd44ae941de202f4ba673c6cb. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104701.
  date published: 2026-07-30T20:35:49Z
audio: Pierre et le loup, Op. 67, conte musical pour enfants: I. Introduction
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 104.618
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.589
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.402
  additional property: Acousticness
    type: PropertyValue
    value: 0.809
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.397
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.518
  additional property: Key Name
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isrc code: CH1262104701
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104701
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Pierre et le loup, Op. 67, conte musical pour enfants: III. Soudain, quelque chose dans l'herbe…
type: MusicRecording
duration: PT4M32S
duration ms: 272493
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b6ec939c15ec75cddcd3771bd39f68052faccb7615c5b7db1cca32f3c907ab. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104703.
  date published: 2026-07-31T09:09:19Z
audio: Pierre et le loup, Op. 67, conte musical pour enfants: III. Soudain, quelque chose dans l'herbe…
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.247
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Mode Name
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isrc code: CH1262104703
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:09:19+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104703
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960376
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:09:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Pierre et le loup, Op. 67, conte musical pour enfants: IV. Il était temps…
type: MusicRecording
duration: PT2M41S
duration ms: 161746
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb26575ab113afe1498769e153740f9f52a504ab72b040c759745b0eda658c3. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104704.
  date published: 2026-07-30T20:09:33Z
audio: Pierre et le loup, Op. 67, conte musical pour enfants: IV. Il était temps…
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.185
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.091
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.294
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: CH1262104704
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T20:09:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262104704
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960302
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:09:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Pierre et le loup, Op. 67, conte musical pour enfants: V. Et maintenant, voici où en était les choses…
type: MusicRecording
duration: PT5M37S
duration ms: 337080
explicit: false
by artist: Sergei Prokofiev
by artist: Henri Dès
by artist: Roberto González-Monjas
by artist: Musikkollegium Winterthur
in album: Pierre et le Loup, Op. 67 / Le Carnaval des animaux
  type: MusicAlbum
  date published: 2021-12-10
genre: classical
genre: orchestra
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
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audio: Pierre et le loup, Op. 67, conte musical pour enfants: V. Et maintenant, voici où en était les choses…
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Le Carnaval des animaux, Grande fantaisie zoologique: I. Introduction et Marche royale du Lion. Andante maestoso
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Piano Concerto No. 1 in C Major, Op. 14: II. Adagio
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Piano Concerto No. 1 in C Major, Op. 14: I. Allegro maestoso
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Piano Concerto No. 1 in C Major, Op. 14: III. Rondo. Allegretto (Cadenza: Andriy Dragan)
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Piano Concerto No. 2 in E-Flat Major, Op. 25: I. Allegro con brio
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Rococo Variations, Op. 33: Moderato assai quasi Andante
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  date published: 2026-07-08T08:56:20Z
audio: Rococo Variations, Op. 33: Moderato assai quasi Andante
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.771
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.135
  additional property: Loudness (dB)
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  additional property: Mode Name
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Rococo Variations, Op. 33: Thema, Moderato simplice
type: MusicRecording
duration: PT0M59S
duration ms: 59053
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
isrc code: BEY681400110
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x13349c663a9c161ffe9b93451762e46648a0dee700c092f344be2d0980d88a5a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13349c663a9c161ffe9b93451762e46648a0dee700c092f344be2d0980d88a5a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400110.
  date published: 2026-07-08T03:22:41Z
audio: Rococo Variations, Op. 33: Thema, Moderato simplice
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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    value: 0.342
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Rococo Variations, Op. 33: Variation 1, Tempo della Thema
type: MusicRecording
duration: PT0M55S
duration ms: 55013
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
isrc code: BEY681400111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa183756f1f955660766670ff26ae621036ae9ff44d72868f027a198a07a7f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa183756f1f955660766670ff26ae621036ae9ff44d72868f027a198a07a7f88. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400111.
  date published: 2026-07-08T03:22:41Z
audio: Rococo Variations, Op. 33: Variation 1, Tempo della Thema
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.969
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.443
  additional property: Energy
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    value: 0.168
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.89
  additional property: Liveness
    type: PropertyValue
    value: 0.5
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.452
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.559
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rococo Variations, Op. 33: Variation 4, Allegro vivo
type: MusicRecording
duration: PT1M20S
duration ms: 80520
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
isrc code: BEY681400115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:34:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6438b12ac416ff5d8690a24e9da04a0b4e6623386045189196ec65c225763aec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400115
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6438b12ac416ff5d8690a24e9da04a0b4e6623386045189196ec65c225763aec. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400115.
  date published: 2026-07-08T03:53:27Z
audio: Rococo Variations, Op. 33: Variation 4, Allegro vivo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.429
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.448
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.912
  additional property: Liveness
    type: PropertyValue
    value: 0.229
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.825
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.337
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rococo Variations, Op. 33: Variation 7, Andante sostenuto
type: MusicRecording
duration: PT3M43S
duration ms: 223373
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
isrc code: BEY681400118
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b1249a659f65571d09c15f86a9dc93d692338d4fff4e125d96186a75622c6ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400118
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1249a659f65571d09c15f86a9dc93d692338d4fff4e125d96186a75622c6ca. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400118.
  date published: 2026-07-08T03:20:19Z
audio: Rococo Variations, Op. 33: Variation 7, Andante sostenuto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.192
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.158
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.862
  additional property: Liveness
    type: PropertyValue
    value: 0.276
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.616
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Rococo Variations, Op. 33: Variation 2, Tempo della Thema
type: MusicRecording
duration: PT0M50S
duration ms: 50346
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6d831e4704e604db1b1280449ad7e6161a1ccc4950ecedd620d25b53d921c3. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400112.
  date published: 2026-07-31T23:30:38Z
audio: Rococo Variations, Op. 33: Variation 2, Tempo della Thema
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.444
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.166
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.4
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.652
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BEY681400112
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960478
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400112
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rococo Variations, Op. 33: Cadenza
type: MusicRecording
duration: PT1M58S
duration ms: 118413
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307e1a66d356cf91f9ebee79892632985c3857224f4a29585f467c99bbb976c3. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400113.
  date published: 2026-07-31T16:07:24Z
audio: Rococo Variations, Op. 33: Cadenza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.419
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.907
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.91
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: BEY681400113
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960429
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681400113
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rococo Variations, Op. 33: Variation 3, Andante
type: MusicRecording
duration: PT2M27S
duration ms: 147040
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Musikkollegium Winterthur
by artist: Pieter Wispelwey
by artist: Jonathan Morton
in album: Rococo
  type: MusicAlbum
  date published: 2014-11-27
subject of: OpenTimestamps Proof of Existence
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Schubert: Symphonies No. 7 & 8
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Schubert: Rosamunde
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Strauss: Der Bürger als Edelmann, Vier letzte Lieder
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«Werden» works by Mozart - Beethoven - Tarrodi
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Berg: Orchestral Works
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date published: 2015-09-01

Petar i vuk, Op. 67
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Pedro y el lobo, un cuento musical para niños, Op. 67
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Prokovief Pieder ed il luf, ina praula musicala per affons Op. 67 (Romansh Version)
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Pedro e o lobo, um conto de fadas musical para crianças Op. 67
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Pierre et le Loup, Op. 67 / Le Carnaval des animaux
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track: Pierre et le loup, Op. 67, conte musical pour enfants: III. Soudain, quelque chose dans l'herbe…
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Peter und der Wolf, Op. 67 / Der Karneval der Tiere
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Mozart & Schoeck: Serenades
type: MusicAlbum
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بيتر والذئب، حكاية موسيقية خرافية للأطفال Op. 67
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date published: 2025-04-19

Franz Xaver Mozart: The Two Piano Concertos
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track: Piano Concerto No. 2 in E-Flat Major, Op. 25: I. Allegro con brio

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Eternal Movement
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Mozart: Piano Concertos Nos. 19 & 20
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Richard Dubugnon: Klavieriana, Op. 70 & Chamber Symphonies Nos. 1 & 2
type: MusicAlbum
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Rudolf Kelterborn: Ensemble-Buch I, Musik mit 5 Trios & Gesänge zur Nacht (Live)
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Brahms: The Symphonies
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Live at Winterthur
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Music for the University Zurich
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Rococo
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track: Rococo Variations, Op. 33: Variation 4, Allegro vivo
track: Rococo Variations, Op. 33: Variation 7, Andante sostenuto
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track: Concerto in A Major, Wq. 172: Allegro
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Mendelssohn: Symphonies No. 1 & 5
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Mendelssohn: Symphonies No. 3 & 4
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