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description: Lev Nikolayevich Oborin (); (Moscow, Moscow, 5 January 1974) was a Soviet and Russian pianist, composer and pedagogue. He was the winner of the first International Chopin Piano Competition in 1927. L
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album: Beethoven: Violin Concerto in D Major, Op. 61 & Violin Sonata No. 7 in C Minor, Op. 30 No. 2 (Live)
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  track: Violin Concerto in A Minor, D115
  track: Violin Concerto in G Major, D80
  track: Violin Concerto in E Major, D51
  track: Violin Sonata in G Minor "Devil's Trill"
album: The Moscow Conservatory - Tribute to Rachmaninov. Archive Recordings
album: Schubert: Piano Trio No. 1, Piano Quintet "The Trout"
album: Violin Masterpieces: Oistrakh Plays Bach, Mozart & Tartini
album: David Oistrakh Plays Works for Violin and Piano
album: Beethoven: Triple concerto pour piano, violon, violoncelle
album: Beethoven: Sonata For Piano And Violin No. 9 in A Major, Op. 47 "Kreutzer" - Sonata For Piano and Violin No. 10 in G major, Op. 96
album: Beethoven: Sonata For Piano And Violin No. 7 In C Minor, Op. 30 - Sonata For Piano And Violin No. 8 In G Major, Op. 30
album: Beethoven: Sonata For Piano And Violin No. 4 in A Minor, Op. 23 - Sonata For Piano And Violin No. 5 In F Major, Op. 24 "Spring" - Sonata For Piano And Violin No. 6 In A Major, Op. 30
album: Beethoven: Sonata For Piano And Violin No. 1 In D Major, Op. 12 - Sonata For Piano And Violin No. 2 In A Major, Op. 12 - Sonata For Piano And Violin No. 3 In E Flat Major, Op. 12
album: Schubert: Piano Trio, Op. 99, D. 898, Lev Oborin vs. David Oistrakh vs. Sviatoslav Knushevitsky vs. Arthur Rubinstein vs. Jascha Heifetz vs. Emanuel Feuermann (Compare 2 Versions)
album: Oistrach, Knushevitsky and Oborin Play Schumann & Mendelssohn
album: Finest Recordings - Beethoven Sonatas for Violin & Piano: David Ostrakh, Lev Oborin
album: Beethoven: Sonata for Violin and Piano No. 8 & Symphony No. 6
album: Oistrakh Collection, Vol. 11: The Beethoven Violin Sonatas (Live)
album: Beethoven: Triple Concerto, Op. 56 & Piano Trio in C Minor, Op. 1 No. 3
album: Beethoven: Triple Concerto in C Major, Op. 56
album: The Russian Piano Tradition: Lev Oborin
album: Chopin / Dvorák / Ravel / Smetana: Piano Trios
album: Chopin: Trio Op 8 - Smetana: Trio Op. 15 - Dvořák: Trio Op. 90 - Ravel: Trio in a Minor
album: Mozart: Piano Concertos No. 17 & 24
album: Beethoven: Violin Sonatas Nos. 5 & 9
album: Mendelssohn: Chamber Music
album: Beethoven: Piano Trio No. 7 & Triple Concerto
album: David Oistrakh Collection, Vol. 12: Trios
album: Oistrakh Collection, Vol. 3: Schubert Piano Trios Nos. 1 & 2
album: Franz Schubert: Schubertiade - Kammer Musik 1
album: Beethoven: The Violin Sonatas
album: Oistrakh Collection, Vol. 9: Mendelssohn Piano Trios
album: Chopin & Schumann: Piano Works (Live)
album: Schubert, Falla & Debussy: Violin Works
album: Oistrakh Collection, Vol. 4: Beethoven Triple Concerto
album: Beethoven: Violin Sonatas Nos. 6-8 (Live)
album: Schubert: Trio pour piano et cordes, D. 898 (Collection trésors, stéréo version)
album: Schubert: Trio pour piano et cordes No. 1 (Mono Version)
album: Beethoven: Sonates pour violon et piano Nos. 5 "Le printemps" & 9 "À Kreutzer" (Mono Version)
album: Beethoven: Triple concerto, Op. 56 (Mono Version)
album: Schubert: Piano Trio No. 1, Op. 99, D. 898
album: Tchaikovsky: The Seasons, Op. 37 bis
album: Beethoven: Piano Trio No. 7, Op. 97 "Archduke" - Schubert: Piano Trio No. 1, D. 898 & Octet in F Major, D. 803 (Remastered 2024)

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Violin Sonata in G Minor "Devil's Trill"
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Violin Sonata in G Minor "Devil's Trill"
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Sonata For Violin And Piano No. 1 In D, Op. 12 No. 1: 2. Tema con variazioni (Andante con moto)
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by artist: David Oistrakh
by artist: Lev Oborin
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T08:56:20Z
audio: Sonata For Violin And Piano No. 1 In D, Op. 12 No. 1: 2. Tema con variazioni (Andante con moto)
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Sonata For Violin And Piano No. 7 In C Minor, Op. 30 No. 2: 2. Adagio cantabile
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by artist: David Oistrakh
by artist: Lev Oborin
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Sonata For Violin And Piano No. 7 In C Minor, Op. 30 No. 2: 2. Adagio cantabile
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Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": II. Andante con variazioni
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by artist: Ludwig van Beethoven
by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
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genre: classical
genre: classical-piano
genre: chamber-music
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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: 2026-07-08T03:53:27Z
audio: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": II. Andante con variazioni
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Sonata For Violin And Piano No. 2 In A, Op. 12 No. 2: 1. Allegro vivace
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by artist: David Oistrakh
by artist: Lev Oborin
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genre: classical
genre: classical-piano
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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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  date published: 2026-07-08T03:22:41Z
audio: Sonata For Violin And Piano No. 2 In A, Op. 12 No. 2: 1. Allegro vivace
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Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 1. Allegro
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duration: PT10M12S
duration ms: 612560
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by artist: Ludwig van Beethoven
by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
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genre: classical
genre: classical-piano
genre: chamber-music
isrc code: NLA506200318
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 1. Allegro
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Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 3. Scherzo (Allegro molto)
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by artist: David Oistrakh
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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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: Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 3. Scherzo (Allegro molto)
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Sonata For Violin And Piano No. 1 In D, Op. 12 No. 1: 1. Allegro con brio
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by artist: David Oistrakh
by artist: Lev Oborin
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genre: classical
genre: classical-piano
genre: chamber-music
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  date published: 2026-08-01T01:44:32Z
audio: Sonata For Violin And Piano No. 1 In D, Op. 12 No. 1: 1. Allegro con brio
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additional property: OTSVerifyInstructions
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Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto
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duration: PT11M40S
duration ms: 700173
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by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
audio: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto
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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

Sonata For Violin And Piano No. 1 In D, Op. 12 No. 1: 3. Rondo (Allegro)
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duration: PT4M57S
duration ms: 297546
explicit: false
by artist: Ludwig van Beethoven
by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Sonata For Violin And Piano No. 1 In D, Op. 12 No. 1: 3. Rondo (Allegro)
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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

Sonata For Violin And Piano No. 2 In A, Op. 12 No. 2: 2. Andante più tosto allegretto
type: MusicRecording
duration: PT6M0S
duration ms: 360480
explicit: false
by artist: Ludwig van Beethoven
by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:07:24Z
audio: Sonata For Violin And Piano No. 2 In A, Op. 12 No. 2: 2. Andante più tosto allegretto
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additional property: OTSVerifyInstructions
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Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 2. Adagio molto espressivo
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duration: PT6M3S
duration ms: 363893
explicit: false
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by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 2. Adagio molto espressivo
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additional property: OTSVerifyInstructions
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Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 4. Rondo (Allegro ma non troppo)
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duration: PT6M57S
duration ms: 417866
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by artist: David Oistrakh
by artist: Lev Oborin
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:48:18Z
audio: Sonata for Violin and Piano No. 5 in F, Op. 24 - "Spring": 4. Rondo (Allegro ma non troppo)
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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

Sonata For Violin And Piano No. 3 In E Flat, Op. 12 No. 3: 2. Adagio con molt' espressione
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duration: PT6M54S
duration ms: 414666
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by artist: David Oistrakh
by artist: Lev Oborin
in album: Beethoven: The Violin Sonatas
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:22:46Z
audio: Sonata For Violin And Piano No. 3 In E Flat, Op. 12 No. 3: 2. Adagio con molt' espressione
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Sonata for Violin and Piano No. 6 in A, Op. 30 No. 1: 1. Allegro
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  date published: 2026-07-31T16:33:26Z
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Sonata For Violin And Piano No. 3 In E Flat, Op. 12 No. 3: 3. Rondo (Allegro molto)
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  date published: 2026-07-31T15:20:15Z
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Sonata for Violin and Piano No. 6 in A, Op. 30 No. 1: 3. Allegretto con variazioni
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  date published: 2026-08-01T00:10:46Z
audio: Sonata for Violin and Piano No. 6 in A, Op. 30 No. 1: 3. Allegretto con variazioni
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Beethoven: Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": I. Allegro moderato
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  date published: 2026-07-08T03:53:27Z
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Schubert: Piano Trio No. 1 in B-Flat Major, Op. 99, D. 898: II. Andante un poco mosso
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  date published: 2026-07-08T03:53:27Z
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Beethoven: Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": II. Scherzo. Allegro - Coda
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Beethoven: Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": III. Andante cantabile
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Beethoven: Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": IV. Allegro moderato - Presto
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Schubert: Piano Trio No. 1 in B-Flat Major, Op. 99, D. 898: I. Allegro moderato
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Schubert: Piano Trio No. 1 in B-Flat Major, Op. 99, D. 898: III. Scherzo
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audio: Schubert: Piano Trio No. 1 in B-Flat Major, Op. 99, D. 898: III. Scherzo
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Violin Sonata No. 1 in D Major, Op. 12 No. 1: I. Allegro con brio (Live)
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Violin Concerto in C Major, D12
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Violin Concerto in C Major, D12
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genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528304
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528304
additional property: OTSTimestamp
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  value: 2026-07-02T11:34:59Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6225d5fe19aebe0277e819598cf545406b8167c1aacc0ebce9440154f13fc5c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USX761528304.
  date published: 2026-07-02T11:34:59Z
audio: Violin Concerto in C Major, D12
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  additional property: Valence (Positivity)
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Violin Concerto in A Minor, D115
type: MusicRecording
duration: PT4M58S
duration ms: 298800
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
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  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528305
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528305
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11a7c0056b480d464e2de03ba6b00fb2d285733e26d2405cf8691118766d8410. 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/USX761528305.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in A Minor, D115
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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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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Violin Concerto in A Minor, D115
type: MusicRecording
duration: PT4M57S
duration ms: 297600
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Orchestre d'Auvergne
by artist: Arie Van Beek
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528306
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528306
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffb6951802e7643d00339565cd3da80f59aad840e176c4540829a25183514e0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USX761528306.
  date published: 2026-07-02T05:09:12Z
audio: Violin Concerto in A Minor, D115
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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: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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  additional property: Mode Name
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Violin Concerto in A Minor, D115
type: MusicRecording
duration: PT4M48S
duration ms: 288400
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528307
additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea6233ce05aa6aaad35b6a6729ebe815950e6932c5f107df6986cc7933f44630. 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/USX761528307.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in A Minor, D115
  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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  additional property: Time Signature
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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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  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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Violin Concerto in G Major, D80
type: MusicRecording
duration: PT5M49S
duration ms: 349800
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528308
additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf161025a1309bc7c854b1d8772bcc47591e9bf84f5762500b160aa5d3a388adc. 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/USX761528308.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in G Major, D80
  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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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Concerto in G Major, D80
type: MusicRecording
duration: PT4M10S
duration ms: 250400
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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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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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1cd9e0f899a98edb48dfbf3b696898ac560f23b4265744fdfd7b70fa2c0487f. 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/USX761528309.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in G Major, D80
  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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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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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: Key Name
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  additional property: Mode Name
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Violin Concerto in G Major, D80
type: MusicRecording
duration: PT3M4S
duration ms: 184400
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09feb064699899434e9c64db3eaa88e495c5f745cb1df2d3c0daf16bc9750d6. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/USX761528310.
  date published: 2026-07-13T07:54:01Z
audio: Violin Concerto in G Major, D80
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  additional property: Mode (Major/Minor)
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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: Valence (Positivity)
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The Moscow Conservatory - Tribute to Rachmaninov. Archive Recordings
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Violin Masterpieces: Oistrakh Plays Bach, Mozart & Tartini
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David Oistrakh Plays Works for Violin and Piano
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Beethoven: Sonata For Piano And Violin No. 7 In C Minor, Op. 30 - Sonata For Piano And Violin No. 8 In G Major, Op. 30
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Beethoven: Sonata For Piano And Violin No. 4 in A Minor, Op. 23 - Sonata For Piano And Violin No. 5 In F Major, Op. 24 "Spring" - Sonata For Piano And Violin No. 6 In A Major, Op. 30
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Beethoven: Sonata For Piano And Violin No. 1 In D Major, Op. 12 - Sonata For Piano And Violin No. 2 In A Major, Op. 12 - Sonata For Piano And Violin No. 3 In E Flat Major, Op. 12
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Schubert: Piano Trio, Op. 99, D. 898, Lev Oborin vs. David Oistrakh vs. Sviatoslav Knushevitsky vs. Arthur Rubinstein vs. Jascha Heifetz vs. Emanuel Feuermann (Compare 2 Versions)
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Oistrach, Knushevitsky and Oborin Play Schumann & Mendelssohn
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Beethoven: Sonata for Violin and Piano No. 8 & Symphony No. 6
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Oistrakh Collection, Vol. 11: The Beethoven Violin Sonatas (Live)
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Beethoven: Triple Concerto, Op. 56 & Piano Trio in C Minor, Op. 1 No. 3
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Beethoven: Triple Concerto in C Major, Op. 56
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The Russian Piano Tradition: Lev Oborin
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Chopin / Dvorák / Ravel / Smetana: Piano Trios
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Chopin: Trio Op 8 - Smetana: Trio Op. 15 - Dvořák: Trio Op. 90 - Ravel: Trio in a Minor
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Mozart: Piano Concertos No. 17 & 24
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Chopin & Schumann: Piano Works (Live)
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Schubert, Falla & Debussy: Violin Works
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Tchaikovsky: The Seasons, Op. 37 bis
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Beethoven: Violin Concerto in D Major, Op. 61 & Violin Sonata No. 7 in C Minor, Op. 30 No. 2 (Live)
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Oistrakh Collection, Vol. 9: Mendelssohn Piano Trios
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