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description: Charles Neidich (born 1953 in New York City) is an American classical clarinetist, composer, and conductor. Early career A native New Yorker of Russian and Greek descent, Charles Neidich began his cl
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  track: Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: II. Adagio
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  track: Horn Concerto No. 2 in E Flat Major, K. 417: I. Allegro maestoso
  track: Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso - Cadenza and Lead-in: Susan Palma
  track: Serenade in G Major, K. 525 "Eine kleine Nachtmusik": IV. Rondo (Allegro)
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  track: Horn Concerto No. 2 in E Flat Major, K. 417: III. Rondo. Allegro - Cadenza: William Purvis
  track: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro - Cadenza: Susan Palma and Bernard Rose
  track: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
  track: Ein musikalischer Spass, K. 522: I. Allegro
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  track: Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante)
album: Chausson: Poème, Piano Trio and Other Chamber Music
album: Webern: Vocal & Chamber Works
album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
album: Riegger: Music for Piano & Winds
album: Schoenfield: Cafe Music
album: The Naumburg Foundation Recordings, 1980-2001: The Instrumentalists
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album: Mozart: Complete Wind Concertos
album: Stravinsky: Histoire Du Soldat Suite - Renard
album: Baby-Klassik - Mozart für kleine Genies
album: Mozart: Clarinet Concerto; Oboe Concerto; Bassoon Concerto
album: 100 Meisterwerke von Mozart
album: 111 Adagio! Klassik zum Relaxen
album: Das Beste: Mozart
album: Meditation - Relaxing Classics
album: DG 120 – Concertos 1 (1959-1988)
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album: Mozart: Clarinet Quintet in A Major, K. 581
album: Free Game
album: 50 Meisterwerke von Mozart
album: Weber: Clarinet Concertos / Rossini: Introduction, Theme and Variations
album: Music of Elliott Carter, Vol. 8
album: Guten Morgen! - Klassik zum Frühstück
album: American Composers at Play: William Bolcom, Ricky Ian Gordon, Lori Laitman, John Musto
album: Composers in New York
album: Schoenberg: String Trio - 4 Pieces for Mixed Chorus - 3 Satires - Suite
album: Mozart 1791
album: The Naumburg Recordings: 1985 First Prize, International Clarinet Competition - Charles Neidich
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album: Mozart Makes You Smarter
album: Mozart For The Brain
album: Rossini - Greatest Hits
album: Orchestral Music & Concertos
album: Wellness Classics: Klassisch entspannen
album: So You Think You Don't Like Classical Music? Vol. 2
album: Sanctus - Das Konzert für die Seele
album: Mozart For Relaxation
album: Discover Mozart

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Bassoon Concerto in B Flat Major, K. 191: II. Andante ma adagio - Cadenza: Frank Morelli
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Bassoon Concerto in B Flat Major, K. 191: II. Andante ma adagio - Cadenza: Frank Morelli
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Oboe Concerto in C Major, K. 314: II. Adagio non troppo - Cadenza: Randall Wolfgang
type: MusicRecording
duration: PT7M24S
duration ms: 444706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Randall Wolfgang
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
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  date published: 2001-01-01
popularity: 8
genre: classical
genre: classical-era
isrc code: DEF058703173
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additional property: CopyrightRegisteredAt
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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 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Oboe Concerto in C Major, K. 314: II. Adagio non troppo - Cadenza: Randall Wolfgang
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Bassoon Concerto in B Flat Major, K. 191: III. Rondo. Tempo di Menuetto - Cadenza: Frank Morelli
type: MusicRecording
duration: PT4M29S
duration ms: 269666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Frank Morelli
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
  type: MusicAlbum
  date published: 2001-01-01
popularity: 9
genre: classical
genre: classical-era
isrc code: DEF058703183
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T05:09:12Z
audio: Bassoon Concerto in B Flat Major, K. 191: III. Rondo. Tempo di Menuetto - Cadenza: Frank Morelli
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Horn Concerto No. 2 in E Flat Major, K. 417: I. Allegro maestoso
type: MusicRecording
duration: PT6M17S
duration ms: 377213
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: William Purvis
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
  type: MusicAlbum
  date published: 2001-01-01
popularity: 10
genre: classical
genre: classical-era
isrc code: DEF058703162
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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
  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
audio: Horn Concerto No. 2 in E Flat Major, K. 417: I. Allegro maestoso
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Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso - Cadenza and Lead-in: Susan Palma
type: MusicRecording
duration: PT8M44S
duration ms: 524960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Susan Palma-Nidel
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
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  date published: 2001-01-01
popularity: 8
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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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 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso - Cadenza and Lead-in: Susan Palma
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Serenade in G Major, K. 525 "Eine kleine Nachtmusik": IV. Rondo (Allegro)
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duration: PT3M53S
duration ms: 233720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
  type: MusicAlbum
  date published: 2001-01-01
popularity: 23
genre: classical
genre: classical-era
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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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-06-13T13:32:09Z
audio: Serenade in G Major, K. 525 "Eine kleine Nachtmusik": IV. Rondo (Allegro)
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio ma non troppo - Cadenza and Lead-in: Susan Palma
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duration ms: 538800
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by artist: Wolfgang Amadeus Mozart
by artist: Susan Palma-Nidel
by artist: Orpheus Chamber Orchestra
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popularity: 7
genre: classical
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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 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Flute Concerto No. 1 in G Major, K. 313: II. Adagio ma non troppo - Cadenza and Lead-in: Susan Palma
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Horn Concerto No. 2 in E Flat Major, K. 417: III. Rondo. Allegro - Cadenza: William Purvis
type: MusicRecording
duration: PT3M23S
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by artist: William Purvis
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
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popularity: 9
genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Horn Concerto No. 2 in E Flat Major, K. 417: III. Rondo. Allegro - Cadenza: William Purvis
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro - Cadenza: Susan Palma and Bernard Rose
type: MusicRecording
duration: PT10M1S
duration ms: 601600
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by artist: Wolfgang Amadeus Mozart
by artist: Susan Palma-Nidel
by artist: Bernard Rose
by artist: Nancy Allen
by artist: Orpheus Chamber Orchestra
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popularity: 7
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro - Cadenza: Susan Palma and Bernard Rose
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
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duration: PT7M43S
duration ms: 463066
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by artist: Wolfgang Amadeus Mozart
by artist: Susan Palma-Nidel
by artist: Nancy Allen
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
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  date published: 2001-01-01
popularity: 9
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
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Ein musikalischer Spass, K. 522: I. Allegro
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duration: PT5M7S
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by artist: Wolfgang Amadeus Mozart
by artist: Orpheus Chamber Orchestra
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popularity: 6
genre: classical
genre: classical-era
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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 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:25:57Z
audio: Ein musikalischer Spass, K. 522: I. Allegro
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Horn Concerto No. 3 in E Flat Major, K. 447: I. Allegro - Cadenza: William Purvis
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by artist: Wolfgang Amadeus Mozart
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by artist: Orpheus Chamber Orchestra
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popularity: 9
genre: classical
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Horn Concerto No. 3 in E Flat Major, K. 447: I. Allegro - Cadenza: William Purvis
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Ein musikalischer Spass, K. 522: II. Menuetto (Maestoso) - Trio
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popularity: 6
genre: classical
genre: classical-era
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:25:57Z
audio: Ein musikalischer Spass, K. 522: II. Menuetto (Maestoso) - Trio
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Horn Concerto No. 3 in E Flat Major, K. 447: III. Allegro
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

6 Pieces, Op. 6 (revised version): I. Langsam
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Riegger: Music for Piano & Winds
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Schoenfield: Cafe Music
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Mozart 111 Vol. 1
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Scherzo a la russe (original Jazz band version, 1944)
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Baby-Klassik - Mozart für kleine Genies
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Mozart: Clarinet Concerto; Oboe Concerto; Bassoon Concerto
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100 Meisterwerke von Mozart
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111 Adagio! Klassik zum Relaxen
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Das Beste: Mozart
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Meditation - Relaxing Classics
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Zwischen Tag und Traum Vol.2:
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Free Game
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Music of Elliott Carter, Vol. 8
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Guten Morgen! - Klassik zum Frühstück
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American Composers at Play: William Bolcom, Ricky Ian Gordon, Lori Laitman, John Musto
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Mozart 1791
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10605381
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d6971504943b1a222e36d4d79eb93cd1d59290bd04973e0460e1d2f34c1b91c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10605381.
    date published: 2026-07-02T03:55:08Z
  audio: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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      value: 0.809
    additional property: Instrumentalness
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      value: 0.115
    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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track: Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso
  type: MusicRecording
  duration: PT7M57S
  duration ms: 477200
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Jean-Pierre Rampal
  by artist: Glenn Gould
  in album: Mozart Makes You Smarter
    type: MusicAlbum
    date published: 1994-08-23
  genre: classical
  genre: classical-era
  isrc code: FRZ080800960
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T11:27:26+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso
track: Serenade No. 10 in B-Flat Major, K. 361 "Gran partita": III. Adagio
track: Symphony No. 41 in C Major, K. 551 "Jupiter": III. Menuetto. Allegretto
track: Adagio in C Major, K. 356 (Arr. for Guitar)
track: Serenade No. 9 in D Major, K. 320 "Posthorn": III. Concertante. Andante grazioso
track: Concerto for Flute & Harp in C Major, K. 299: II. Andantino
track: Piano Sonata No. 12 in F Major, K. 332: I. Allegro
track: Clarinet Quintet in A Major, K. 581: IV. Allegretto con variazioni

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x7369b6217e3bae405a0d2ae77127987b19e4fb83e161f580832f87fb185b7753

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ080800960

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7369b6217e3bae405a0d2ae77127987b19e4fb83e161f580832f87fb185b7753. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRZ080800960.
date published: 2026-07-02T03:55:08Z

Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 107.474
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: 0.373
additional property: Energy
  type: PropertyValue
  value: 0.08
additional property: Speechiness
  type: PropertyValue
  value: 0.059
additional property: Acousticness
  type: PropertyValue
  value: 0.991
additional property: Instrumentalness
  type: PropertyValue
  value: 0.867
additional property: Liveness
  type: PropertyValue
  value: 0.116
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.354
additional property: Loudness (dB)
  type: PropertyValue
  value: -27.932
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
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Serenade No. 10 in B-Flat Major, K. 361 "Gran partita": III. Adagio
type: MusicRecording
duration: PT6M35S
duration ms: 395293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Marcel Moyse
by artist: Marlboro Festival Wind Ensemble
by artist: Marlboro Festival Orchestra
by artist: George Szell
in album: Mozart Makes You Smarter
  type: MusicAlbum
  date published: 1994-08-23
genre: classical
genre: classical-era
isrc code: USSM10605383
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:46:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0714809ac8bf2e15d84c45ec40696729bb14c079acbf7f1bcecaa792a0ac2cd3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10605383
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0714809ac8bf2e15d84c45ec40696729bb14c079acbf7f1bcecaa792a0ac2cd3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10605383.
  date published: 2026-07-02T03:55:08Z
audio: Serenade No. 10 in B-Flat Major, K. 361 "Gran partita": III. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.824
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.15
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.71
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.43
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 41 in C Major, K. 551 "Jupiter": III. Menuetto. Allegretto
type: MusicRecording
duration: PT5M4S
duration ms: 304360
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rafael Kubelík
by artist: Bavarian Radio Symphony Orchestra
in album: Mozart Makes You Smarter
  type: MusicAlbum
  date published: 1994-08-23
genre: classical
genre: classical-era
isrc code: USSM10605384
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:46:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2183d7734797bcfc20af4006f920c5a9037a1f6a0f98e282316b110b6652b85c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10605384
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2183d7734797bcfc20af4006f920c5a9037a1f6a0f98e282316b110b6652b85c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10605384.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 41 in C Major, K. 551 "Jupiter": III. Menuetto. Allegretto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.576
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.299
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.937
  additional property: Liveness
    type: PropertyValue
    value: 0.35
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.252
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.531
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adagio in C Major, K. 356 (Arr. for Guitar)
type: MusicRecording
duration: PT4M24S
duration ms: 264000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: John C. Williams
in album: Mozart Makes You Smarter
  type: MusicAlbum
  date published: 1994-08-23
genre: classical
genre: classical-era
isrc code: USSM10605385
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:47:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3025d1a937ed57e477f317d24e34efe9325d78887da6298e40ad7ef736a6730
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10605385
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3025d1a937ed57e477f317d24e34efe9325d78887da6298e40ad7ef736a6730. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10605385.
  date published: 2026-07-02T03:55:08Z
audio: Adagio in C Major, K. 356 (Arr. for Guitar)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.759
  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: 0.555
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.088
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.745
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.006
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Serenade No. 9 in D Major, K. 320 "Posthorn": III. Concertante. Andante grazioso
type: MusicRecording
duration: PT7M31S
duration ms: 451533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: George Szell
by artist: The Cleveland Orchestra
in album: Mozart Makes You Smarter
  type: MusicAlbum
  date published: 1994-08-23
genre: classical
genre: classical-era
isrc code: USSM10605386
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T13:33:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd99bacee56f225dfdaa5def3a7b5be11558710345c4fdbaa762117ce5d4cdba5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10605386
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd99bacee56f225dfdaa5def3a7b5be11558710345c4fdbaa762117ce5d4cdba5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10605386.
  date published: 2026-07-02T03:55:08Z
audio: Serenade No. 9 in D Major, K. 320 "Posthorn": III. Concertante. Andante grazioso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.553
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.211
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.648
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for Flute & Harp in C Major, K. 299: II. Andantino
type: MusicRecording
duration: PT9M30S
duration ms: 570493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: János Rolla
by artist: Franz Liszt Chamber Orchestra
by artist: Jean-Pierre Rampal
by artist: Marielle Nordmann
by artist: Liszt Ferenc Kamarazenekar
by artist: George Szell
in album: Mozart Makes You Smarter
  type: MusicAlbum
  date published: 1994-08-23
genre: classical
genre: classical-era
isrc code: USSM10605387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:24:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x285787f3eab75ae82f663bec66bff603bca2c31a065819b96cd0c7a911688b51
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10605387
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285787f3eab75ae82f663bec66bff603bca2c31a065819b96cd0c7a911688b51. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10605387.
  date published: 2026-07-02T03:55:08Z
audio: Concerto for Flute & Harp in C Major, K. 299: II. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.149
  additional property: Musical Key
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Clarinet Quintet in A Major, K. 581: IV. Allegretto con variazioni
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Mozart For The Brain
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Rossini - Greatest Hits
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Wellness Classics: Klassisch entspannen
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date published: 2008-01-01

So You Think You Don't Like Classical Music? Vol. 2
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date published: 2014-01-01

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date published: 2014-01-01

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date published: 2013-01-01