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track: Fantaisie sur Carmen: I. Entracte - Arr. for Clarinet Quartet
track: Fantaisie sur Carmen: II. L'amour est un oiseau rebelle - Arr. for Clarinet Quartet
track: Fantaisie sur Carmen: IV. Près des remparts de Séville - Arr. for Clarinet Quartet
track: Fantaisie sur Carmen: V. Les tringles des sistres tintaient - Arr. for Clarinet Quartet
track: The Nutcracker, Op. 71a: I. Ouverture - Arr. for Clarinet Quartet
track: The Nutcracker, Op. 71a: III. Tarentelle - Arr. for Clarinet Quartet
track: The Nutcracker, Op. 71a: IV. Danse de la Fée-Dragée - Arr. for Clarinet Quartet
track: Lakmé: Duo des fleurs - Arr. for Clarinet Quartet
track: Il barbiere di Siviglia: II. Canzone première partie - Arr. for Clarinet Quartet
track: Il barbiere di Siviglia: IV. Cavatina Rosina - Arr. for Clarinet Quartet
track: Il barbiere di Siviglia: V. Canzone deuxième partie - Arr. for Clarinet Quartet
track: Fantaisie sur Carmen: III. Lento - Arr. for Clarinet Quartet
track: The Nutcracker, Op. 71a: II. Marche - Arr. for Clarinet Quartet
track: The Nutcracker, Op. 71a: V. Trepak - Arr. for Clarinet Quartet
track: The Nutcracker, Op. 71a: VI. Coda - Arr. for Clarinet Quartet
track: Il barbiere di Siviglia: I. Cavatina Conte - Arr. for Clarinet Quartet
track: Il barbiere di Siviglia: III. Cavatina Figaro - Arr. for Clarinet Quartet
track: Il barbiere di Siviglia: VI. Aria Conte - Arr. for Clarinet Quartet
track: Rigoletto: "Fantaisie": I. Allegro con brio - Allegro moderato - Arr. for Clarinet Quartet
track: Rigoletto: "Fantaisie": II. Andante cantabile - Adagio cavatina - Allegro vivo - Arr. for Clarinet Quartet

Fantaisie sur Carmen: I. Entracte - Arr. for Clarinet Quartet
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Fantaisie sur Carmen: II. L'amour est un oiseau rebelle - Arr. for Clarinet Quartet
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  date published: 2026-07-08T03:53:27Z
audio: Fantaisie sur Carmen: II. L'amour est un oiseau rebelle - Arr. for Clarinet Quartet
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Fantaisie sur Carmen: IV. Près des remparts de Séville - Arr. for Clarinet Quartet
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  date published: 2026-07-08T08:56:20Z
audio: Fantaisie sur Carmen: IV. Près des remparts de Séville - Arr. for Clarinet Quartet
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Fantaisie sur Carmen: V. Les tringles des sistres tintaient - Arr. for Clarinet Quartet
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The Nutcracker, Op. 71a: I. Ouverture - Arr. for Clarinet Quartet
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The Nutcracker, Op. 71a: III. Tarentelle - Arr. for Clarinet Quartet
type: MusicRecording
duration: PT1M32S
duration ms: 92566
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Quatuor Vendôme
by artist: Frank Amet
by artist: Nicolas Baldeyrou
by artist: Alexandre Chabod
by artist: Julien Chabod
in album: Une soirée à l'opéra (Arr. for Clarinet Quartet)
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
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  date published: 2026-07-08T08:56:20Z
audio: The Nutcracker, Op. 71a: III. Tarentelle - Arr. for Clarinet Quartet
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The Nutcracker, Op. 71a: IV. Danse de la Fée-Dragée - Arr. for Clarinet Quartet
type: MusicRecording
duration: PT2M16S
duration ms: 136388
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Quatuor Vendôme
by artist: Frank Amet
by artist: Nicolas Baldeyrou
by artist: Alexandre Chabod
by artist: Julien Chabod
in album: Une soirée à l'opéra (Arr. for Clarinet Quartet)
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  date published: 2015-06-02
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker, Op. 71a: IV. Danse de la Fée-Dragée - Arr. for Clarinet Quartet
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Lakmé: Duo des fleurs - Arr. for Clarinet Quartet
type: MusicRecording
duration: PT3M24S
duration ms: 204288
explicit: false
by artist: Léo Delibes
by artist: Quatuor Vendôme
by artist: Frank Amet
by artist: Nicolas Baldeyrou
by artist: Alexandre Chabod
by artist: Julien Chabod
in album: Une soirée à l'opéra (Arr. for Clarinet Quartet)
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  date published: 2015-06-02
genre: classical
isrc code: FR9W11421244
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Lakmé: Duo des fleurs - Arr. for Clarinet Quartet
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Il barbiere di Siviglia: II. Canzone première partie - Arr. for Clarinet Quartet
type: MusicRecording
duration: PT1M15S
duration ms: 75557
explicit: false
by artist: Gioachino Rossini
by artist: Quatuor Vendôme
by artist: Frank Amet
by artist: Nicolas Baldeyrou
by artist: Alexandre Chabod
by artist: Julien Chabod
in album: Une soirée à l'opéra (Arr. for Clarinet Quartet)
  type: MusicAlbum
  date published: 2015-06-02
genre: classical
genre: opera
isrc code: FR9W11421246
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
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  value: https://blockstream.info/api/block-height/957118
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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il barbiere di Siviglia: II. Canzone première partie - Arr. for Clarinet Quartet
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Il barbiere di Siviglia: IV. Cavatina Rosina - Arr. for Clarinet Quartet
type: MusicRecording
duration: PT4M12S
duration ms: 252551
explicit: false
by artist: Gioachino Rossini
by artist: Quatuor Vendôme
by artist: Frank Amet
by artist: Nicolas Baldeyrou
by artist: Alexandre Chabod
by artist: Julien Chabod
in album: Une soirée à l'opéra (Arr. for Clarinet Quartet)
  type: MusicAlbum
  date published: 2015-06-02
genre: classical
genre: opera
isrc code: FR9W11421248
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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il barbiere di Siviglia: IV. Cavatina Rosina - Arr. for Clarinet Quartet
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Il barbiere di Siviglia: V. Canzone deuxième partie - Arr. for Clarinet Quartet
type: MusicRecording
duration: PT1M16S
duration ms: 76509
explicit: false
by artist: Gioachino Rossini
by artist: Quatuor Vendôme
by artist: Frank Amet
by artist: Nicolas Baldeyrou
by artist: Alexandre Chabod
by artist: Julien Chabod
in album: Une soirée à l'opéra (Arr. for Clarinet Quartet)
  type: MusicAlbum
  date published: 2015-06-02
genre: classical
genre: opera
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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
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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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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Il barbiere di Siviglia: V. Canzone deuxième partie - Arr. for Clarinet Quartet
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Fantaisie sur Carmen: III. Lento - Arr. for Clarinet Quartet
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The Nutcracker, Op. 71a: II. Marche - Arr. for Clarinet Quartet
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  date published: 2026-07-30T07:28:30Z
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The Nutcracker, Op. 71a: V. Trepak - Arr. for Clarinet Quartet
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  date published: 2026-07-30T22:27:30Z
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The Nutcracker, Op. 71a: VI. Coda - Arr. for Clarinet Quartet
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  date published: 2026-07-31T15:20:15Z
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Il barbiere di Siviglia: I. Cavatina Conte - Arr. for Clarinet Quartet
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  date published: 2026-07-31T15:20:15Z
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Il barbiere di Siviglia: III. Cavatina Figaro - Arr. for Clarinet Quartet
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  date published: 2026-07-31T19:53:13Z
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Il barbiere di Siviglia: VI. Aria Conte - Arr. for Clarinet Quartet
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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

Rigoletto: "Fantaisie": I. Allegro con brio - Allegro moderato - Arr. for Clarinet Quartet
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  date published: 2026-07-31T19:53:13Z
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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

Rigoletto: "Fantaisie": II. Andante cantabile - Adagio cavatina - Allegro vivo - Arr. for Clarinet Quartet
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duration: PT5M33S
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genre: classical
genre: opera
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  date published: 2026-07-31T16:09:41Z
audio: Rigoletto: "Fantaisie": II. Andante cantabile - Adagio cavatina - Allegro vivo - Arr. for Clarinet Quartet
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