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description: Béla Viktor János Bartók (; ; 25 March 1881 – 26 September 1945) was a Hungarian composer, pianist and ethnomusicologist. He is considered one of the most important composers of the 20th century; he a
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  track: Satie: Sports et divertissements: No. 9, Le bain de mer
  track: Britten: Four Sea Interludes from Peter Grimes, Op. 33a: No. 3, Moonlight
  track: Chopin: 12 Études, Op. 25: No. 12 in C Minor
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album: Music by the Sea
album: Esa-Pekka Salonen in Verbier (Bartók: The Miraculous Mandarin – Schumann: Symphonie No. 3 "Rhenish" – Sibelius: Symphonie No. 5) [Live]
album: Reminiscences. Hidden Treasures of Classical Piano
album: Fritz Reiner conducts Bartok live
album: Bartók: Sonata for Two Pianos and Percussion & Pieces from Mikrokosmos
album: Lucerne Festival Historic Performances: Rafael Kubelik (Béla Bartók: Herzog Blaubarts Burg, Sz. 48)
album: Bartok: Concertos
album: Bartok : Contrastes et 44 Duos pour 2 violons
album: Bartók: Works for Violin and Piano, Vol. 3
album: Bartok: Viola Concerto / 2 Pictures, Bb 59
album: Joseph Szigeti Plays Bartók, Bloch, Milhaud, de Falla & Mozart (Remastered)
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album: Ferenc Fricsay conducts Béla Bartok - The early RIAS recordings (live and studio recordings from Berlin, 1950-1953)
album: Bartók: Sonata for 2 Pianos and Percussion, Rhapsody, BB 36b & Scherzo, BB 35
album: Bartok: Music for Strings, Percussion and Celesta / Violin Concerto No. 1
album: Bartók: Chamber Works for Violin, Vol. 3
album: Bartók: Violin Concerto No. 2 in B Major, Sz. 112 & Concerto for Orchestra, Sz. 116
album: Instar
album: Bartók: 44 Duos for 2 Violins, Sz. 98 - Vivaldi: Sonata in F Major, RV 70
album: Homage to Paderewski
album: B. Bartók: Choral Works
album: Bartók: Bluebeard's Castle
album: Bartók: Violin Sonata No. 1; Sonata for 2 Pianos & Percussion; 10 Duos
album: Bartok: Complete Works for Violin, Vol. 1
album: Karajan A-Z: Adam - Bartók
album: Scenes from Childhood
album: Bartók: Symphonic Works, Vol. 2 (Complete Edition)
album: From Afar
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The Miraculous Mandarin Suite, Sz. 73 - Live
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audio: The Miraculous Mandarin Suite, Sz. 73 - Live
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Concerto for 2 Pianos, Percussion & Orchestra, Sz. 115: I. Assai lento – Allegro molto
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Viola Concerto, Sz. 120 (Compl. Serly): II. Adagio religioso – Allegretto
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Viola Concerto, Sz. 120 (Compl. Serly): III. Allegro vivace
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duration ms: 255986
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by artist: Béla Bartók
by artist: Yuri Bashmet
by artist: Berliner Philharmoniker
by artist: Pierre Boulez
in album: Bartok: Concertos
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popularity: 2
isrc code: DEN960402153
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Viola Concerto, Sz. 120 (Compl. Serly): III. Allegro vivace
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Viola Concerto, Sz. 120 (Compl. Serly): I. Moderato – Lento parlando
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duration: PT14M31S
duration ms: 871493
explicit: false
by artist: Béla Bartók
by artist: Yuri Bashmet
by artist: Berliner Philharmoniker
by artist: Pierre Boulez
in album: Bartok: Concertos
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  date published: 2008-01-01
popularity: 6
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Viola Concerto, Sz. 120 (Compl. Serly): I. Moderato – Lento parlando
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Romanian Folk Dances, Sz. 56 - Arr. by Zoltán Székely
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duration: PT5M54S
duration ms: 354799
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by artist: Béla Bartók
by artist: Zoltan Szekely
by artist: Antal Zalai
by artist: József Balog
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popularity: 5
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Romanian Folk Dances, Sz. 56 - Arr. by Zoltán Székely
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An Evening in the Village - Arr. by Tibor Fülep
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duration: PT2M41S
duration ms: 161000
explicit: false
by artist: Béla Bartók
by artist: Tibor Fülep
by artist: Antal Zalai
by artist: József Balog
in album: Bartok: Complete Works for Violin, Vol. 1
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  date published: 2011-10-01
popularity: 4
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:50:38Z
audio: An Evening in the Village - Arr. by Tibor Fülep
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additional property: OTSVerifyInstructions
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Bartók: For Children, Sz. 42, Book I "Hungarian Folk Songs": No. 13, Runaway Horse. Andante
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duration: PT0M52S
duration ms: 52853
explicit: false
by artist: Béla Bartók
by artist: Dezsö Ranki
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popularity: 12
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additional property: OTSBitcoinBlock
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Bartók: For Children, Sz. 42, Book I "Hungarian Folk Songs": No. 13, Runaway Horse. Andante
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Loudness (dB)
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Satie: Sports et divertissements: No. 9, Le bain de mer
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by artist: Aldo Ciccolini
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popularity: 29
genre: classical
genre: classical-piano
genre: impressionism
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Satie: Sports et divertissements: No. 9, Le bain de mer
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Britten: Four Sea Interludes from Peter Grimes, Op. 33a: No. 3, Moonlight
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by artist: André Previn
by artist: London Symphony Orchestra
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popularity: 19
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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: Britten: Four Sea Interludes from Peter Grimes, Op. 33a: No. 3, Moonlight
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Chopin: 12 Études, Op. 25: No. 12 in C Minor
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Chopin: 12 Études, Op. 25: No. 12 in C Minor
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Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": I. Allegro
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Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
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Bridge: The Sea: I. Seascape. Allegro ben moderato
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  date published: 2026-07-08T03:20:19Z
audio: Bridge: The Sea: I. Seascape. Allegro ben moderato
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Music by the Sea
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track: Debussy: Petite suite, CD 71, L. 65: I. En bateau (Orch. Büsser)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
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track: Satie: Sports et divertissements: No. 9, Le bain de mer
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track: Britten: Four Sea Interludes from Peter Grimes, Op. 33a: No. 3, Moonlight
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Chopin: 12 Études, Op. 25: No. 12 in C Minor
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Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": I. Allegro
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Bridge: The Sea: I. Seascape. Allegro ben moderato
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Ives: Set No. 3 for Chamber Orchestra: I. At Sea. Adagio sostenuto
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Reminiscences. Hidden Treasures of Classical Piano
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Instar
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Karajan A-Z: Adam - Bartók
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track: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro] - Recorded 1964
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track: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Recorded 1964
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II - Recorded 1964
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro] - Recorded 1964
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro - Recorded 1964
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro - Recorded 1964
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante - Recorded 1964
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto - Recorded 1964
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Recorded 1964
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso - Recorded 1964
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Recorded 1964
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto - Recorded 1965

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Giselle, Act I: No. 2, Entrée du Prince
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Giselle, Act I: No. 3, Loys seul – Entrée de Giselle
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Giselle, Act I: No. 4, Retour de la vendange – Valse
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Giselle, Act I: Pas des vendanges: d. Allegro un peu louré
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Giselle, Act I: No. 5, La chasse
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Giselle, Act I: No. 7, Marche des vignerons
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Giselle, Act I: Pas de seul. Variation de Giselle
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Giselle, Act I: No. 8, Galop général
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by artist: Wiener Philharmoniker
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Giselle, Act I: No. 8, Galop général
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Giselle, Act I: No. 8a, Finale
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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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: Giselle, Act I: No. 8a, Finale
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Giselle, Act II: No. 10, Apparition de Myrthe et évocation magique. Andante – Andantino poco allegretto – No. 10a, Pas des premières Wilis
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explicit: false
by artist: Adolphe Adam
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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popularity: 14
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d8bade208ffd6baaada63cb2b3d13dc446640021d3c566f20c233d09df0fd53. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBF076140512.
  date published: 2026-07-02T03:30:09Z
audio: Giselle, Act II: No. 10, Apparition de Myrthe et évocation magique. Andante – Andantino poco allegretto – No. 10a, Pas des premières Wilis
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Giselle, Act II: No. 11, Apparition de Giselle
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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popularity: 12
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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: Giselle, Act II: No. 11, Apparition de Giselle
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Giselle, Act II: No. 13, Entreé de Loys et Wilfrede
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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  date published: 2024-09-27
popularity: 12
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additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Giselle, Act II: No. 13, Entreé de Loys et Wilfrede
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Giselle, Act II: No. 14, Entrée d'Hilarion, scène et fugue des Wilis
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explicit: false
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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popularity: 12
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Giselle, Act II: No. 14, Entrée d'Hilarion, scène et fugue des Wilis
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Giselle, Act II: No. 15, Grand pas de deux: a. Adage. Andante
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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popularity: 12
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Giselle, Act II: No. 15, Grand pas de deux: a. Adage. Andante
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Giselle, Act II: No. 15, Grand pas de deux: b. Variation de Loys
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by artist: Wiener Philharmoniker
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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: Giselle, Act II: No. 15, Grand pas de deux: b. Variation de Loys
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Giselle, Act II: No. 15, Grand pas de deux: c. Variation de Giselle. Andante
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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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: Giselle, Act II: No. 15, Grand pas de deux: c. Variation de Giselle. Andante
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Giselle, Act II: No. 16, Finale
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by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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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: Giselle, Act II: No. 16, Finale
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Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 15
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: Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
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Orchestral Suite No. 2 in B Minor, BWV 1067: II. Rondeau
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 13
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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: II. Rondeau
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Orchestral Suite No. 2 in B Minor, BWV 1067: III. Sarabande
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 13
genre: classical
genre: classical-piano
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: III. Sarabande
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Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée I-II
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popularity: 13
genre: classical
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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: Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée I-II
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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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Orchestral Suite No. 2 in B Minor, BWV 1067: V. Polonaise I-II
type: MusicRecording
duration: PT3M23S
duration ms: 203666
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 13
genre: classical
genre: classical-piano
isrc code: DEF056400105
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x994c86a62173423cfa2aa1004f460c01ef5e9fb90f889c683c59ed88a44e40aa. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF056400105.
  date published: 2026-07-02T03:30:09Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: V. Polonaise I-II
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  additional property: Danceability
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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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Orchestral Suite No. 2 in B Minor, BWV 1067: VI. Menuet
type: MusicRecording
duration: PT1M23S
duration ms: 83000
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 12
genre: classical
genre: classical-piano
isrc code: DEF056400106
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400106
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168ab83feb78c7d878d55a6aa347e0791f21dc86a750f9ffb86d69bfa7fdff4d. 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/DEF056400106.
  date published: 2026-07-02T03:55:08Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: VI. Menuet
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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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: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
type: MusicRecording
duration: PT1M24S
duration ms: 84333
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 14
genre: classical
genre: classical-piano
isrc code: DEF056400107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x4eaad490c1b6eae0edec2318642bc8f5b0c8ee67cd48cbc67c3148f28e9e4c4d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF056400107.
  date published: 2026-07-02T03:30:09Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
  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
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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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Orchestral Suite No. 3 in D Major, BWV 1068: I. Ouverture
type: MusicRecording
duration: PT9M18S
duration ms: 558066
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 13
genre: classical
genre: classical-piano
isrc code: DEF056400112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x0901598cdc8af7b98ecd40702d5b4352280cf84eea839ca05a3f863424dff9a4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF056400112.
  date published: 2026-07-02T03:30:09Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: I. Ouverture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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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)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
type: MusicRecording
duration: PT6M34S
duration ms: 394653
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 15
genre: classical
genre: classical-piano
isrc code: DEF056400111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:08:13+00:00
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/DEF056400111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xc79b8b9827e35c96336214134811b8c98f0d31bd4b02ee1265db8387f0a853dc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF056400111.
  date published: 2026-07-02T03:30:09Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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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
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Orchestral Suite No. 3 in D Major, BWV 1068: III. Gavotte I-II
type: MusicRecording
duration: PT3M46S
duration ms: 226773
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 12
genre: classical
genre: classical-piano
isrc code: DEF056400113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:08:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/DEF056400113
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8966a656f88ec40180bcbbcb2ae132fda62af1af21c982940aa07cb21a8a6e65. 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/DEF056400113.
  date published: 2026-07-02T03:55:08Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: III. Gavotte I-II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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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)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Orchestral Suite No. 3 in D Major, BWV 1068: IV. Bourrée
type: MusicRecording
duration: PT1M18S
duration ms: 78320
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 11
genre: classical
genre: classical-piano
isrc code: DEF056400114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T11:15:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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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/DEF056400114
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c4d5e824dbc803bb10ed54d7d248fa4a5784878b1cbfbff14f6ef46f3ff834. 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/DEF056400114.
  date published: 2026-07-02T03:55:08Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: IV. Bourrée
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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Orchestral Suite No. 3 in D Major, BWV 1068: V. Gigue
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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popularity: 11
genre: classical
genre: classical-piano
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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: 2026-07-02T05:09:12Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: V. Gigue
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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popularity: 59
genre: classical
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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: 2026-06-13T12:47:07Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro] - Recorded 1964
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duration: PT4M26S
duration ms: 266000
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by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 13
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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro] - Recorded 1964
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio - Recorded 1964
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duration: PT5M6S
duration ms: 306333
explicit: false
by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 12
genre: classical
genre: classical-piano
isrc code: DEF056400072
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio - Recorded 1964
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Recorded 1964
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duration: PT4M59S
duration ms: 299666
explicit: false
by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 11
genre: classical
genre: classical-piano
isrc code: DEF056400073
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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: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Recorded 1964
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II - Recorded 1964
type: MusicRecording
duration: PT12M6S
duration ms: 726000
explicit: false
by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 10
genre: classical
genre: classical-piano
isrc code: DEF056400074
additional property: CopyrightID
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II - Recorded 1964
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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duration: PT5M26S
duration ms: 326000
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by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
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by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 11
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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  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
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  date published: 2026-07-02T11:34:59Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
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by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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popularity: 9
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
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by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 8
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro] - Recorded 1964
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by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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popularity: 10
genre: classical
genre: classical-piano
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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: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro] - Recorded 1964
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro - Recorded 1964
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by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
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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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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro - Recorded 1964
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Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro - Recorded 1964
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by artist: Johann Sebastian Bach
by artist: Michel Schwalbé
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by artist: Matthias Rütters
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 8
genre: classical
genre: classical-piano
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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: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro - Recorded 1964
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante - Recorded 1964
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by artist: Johann Sebastian Bach
by artist: Michel Schwalbé
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 8
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante - Recorded 1964
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Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto - Recorded 1964
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by artist: Michel Schwalbé
by artist: Karlheinz Zoeller
by artist: Matthias Rütters
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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  date published: 2024-09-27
popularity: 7
genre: classical
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto - Recorded 1964
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Recorded 1964
type: MusicRecording
duration: PT11M1S
duration ms: 661000
explicit: false
by artist: Johann Sebastian Bach
by artist: Karlheinz Zoeller
by artist: Michel Schwalbé
by artist: Edith Picht-Axenfeld
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 8
genre: classical
genre: classical-piano
isrc code: DEF056400061
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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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x582e19772172120b284e452a973f86a1c1098a6f877c903807991e93ce04f8ac. 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/DEF056400061.
  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Recorded 1964
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso - Recorded 1964
type: MusicRecording
duration: PT6M0S
duration ms: 360000
explicit: false
by artist: Johann Sebastian Bach
by artist: Karlheinz Zoeller
by artist: Michel Schwalbé
by artist: Edith Picht-Axenfeld
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 7
genre: classical
genre: classical-piano
isrc code: DEF056400062
additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso - Recorded 1964
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Recorded 1964
type: MusicRecording
duration: PT5M42S
duration ms: 342000
explicit: false
by artist: Johann Sebastian Bach
by artist: Karlheinz Zoeller
by artist: Michel Schwalbé
by artist: Edith Picht-Axenfeld
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 6
genre: classical
genre: classical-piano
isrc code: DEF056400063
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: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a2753e8bf81b4c76eefd536d72be621f78d700f3dbc6d9b1d818079b8b6309. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEF056400063.
  date published: 2026-07-07T18:39:05Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Recorded 1964
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto - Recorded 1965
type: MusicRecording
duration: PT5M55S
duration ms: 355000
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 6
genre: classical
genre: classical-piano
isrc code: DEF056500062
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f8153ff826fd975971623aef0c36169d643e45b1409b461e92cf0f33297b70. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEF056500062.
  date published: 2026-07-07T18:39:05Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto - Recorded 1965
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  additional property: Energy
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  additional property: Valence (Positivity)
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Scenes from Childhood
type: MusicAlbum
date published: 2024-12-26
track: Schumann: Kinderszenen, Op. 15: No. 1, Von fremden Ländern und Menschen
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  by artist: Robert Schumann
  by artist: Maria João Pires
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    type: MusicAlbum
    date published: 2024-12-26
  popularity: 20
  genre: classical
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  genre: chamber-music
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-06-13T13:32:09Z
  audio: Schumann: Kinderszenen, Op. 15: No. 1, Von fremden Ländern und Menschen
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track: Haydn: Toy Symphony: III. Finale. Allegro (Also Attributed to Mozart or Angerer)
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  by artist: Academy of St. Martin in the Fields
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:30:09Z
  audio: Haydn: Toy Symphony: III. Finale. Allegro (Also Attributed to Mozart or Angerer)
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Kabalevsky: 30 Pieces for Children, Op. 27: No. 2, Little Song
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by artist: Dmitry Kabalevsky
by artist: Georges Pludermacher
in album: Scenes from Childhood
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popularity: 13
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Kabalevsky: 30 Pieces for Children, Op. 27: No. 2, Little Song
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Handel: Laudate pueri Dominum, HWV 237: I. Laudate pueri Dominum
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duration: PT3M23S
duration ms: 203253
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by artist: George Frideric Handel
by artist: Andrew Parrott
by artist: Emma Kirkby
by artist: Taverner Choir
by artist: Taverner Players
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genre: classical
genre: early-music
genre: baroque
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf361629483ab6cd051c6a731430cbb7fd9993e64d2b4aad7342589a057d9e205. 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/GBAYC8701576.
  date published: 2026-07-02T03:55:08Z
audio: Handel: Laudate pueri Dominum, HWV 237: I. Laudate pueri Dominum
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Stravinsky: Valse pour les enfants
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by artist: Igor Stravinsky
by artist: Michel Béroff
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popularity: 13
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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: Stravinsky: Valse pour les enfants
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Bach: Notebook for Wilhelm Friedemann Bach: No. 8, Prelude in F Major, BWV 927
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by artist: Gustav Leonhardt
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popularity: 18
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Bach: Notebook for Wilhelm Friedemann Bach: No. 8, Prelude in F Major, BWV 927
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Kosma: Suite symphonique d'après "Les portes de la nuit": IV. Chanson "Les enfants qui s'aiment"
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duration ms: 114173
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by artist: Joseph Kosma
by artist: Michel Plasson
by artist: Orchestre Du Capitole De Toulouse
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popularity: 12
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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: Kosma: Suite symphonique d'après "Les portes de la nuit": IV. Chanson "Les enfants qui s'aiment"
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Shostakovich: Children's Notebook, Op. 69: No. 4, Merry Tale
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by artist: Georges Pludermacher
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popularity: 11
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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: Shostakovich: Children's Notebook, Op. 69: No. 4, Merry Tale
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Vaughan Williams: 10 Blake Songs: No. 1, Infant Joy
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by artist: Ian Partridge
by artist: Janet Craxton
in album: Scenes from Childhood
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popularity: 10
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Vaughan Williams: 10 Blake Songs: No. 1, Infant Joy
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Beethoven: Piano Exercise in C Major, Hess 59
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by artist: Ludwig van Beethoven
by artist: Aurélien Pontier
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popularity: 13
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genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Beethoven: Piano Exercise in C Major, Hess 59
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Ravel: Ma mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes
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duration: PT3M28S
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by artist: Maurice Ravel
by artist: Yannick Nézet-Séguin
by artist: Rotterdam Philharmonic Orchestra
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genre: classical
genre: impressionism
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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: Ravel: Ma mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes
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Webern: Kinderstück
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by artist: Georges Pludermacher
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popularity: 13
genre: classical
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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: Webern: Kinderstück
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Debussy / Orch. Caplet: La boîte à joujoux, CD 136, L. 128: I. Prélude. Le sommeil de la boîte
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duration: PT2M29S
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by artist: Armin Jordan
by artist: Basler Sinfonie Orchester
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popularity: 11
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Debussy / Orch. Caplet: La boîte à joujoux, CD 136, L. 128: I. Prélude. Le sommeil de la boîte
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Khachaturian: Children's Album, Book I, Op. 62: No. 1, Andantino
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by artist: Alexandre Tharaud
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popularity: 18
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Khachaturian: Children's Album, Book I, Op. 62: No. 1, Andantino
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Zelenka: Laudate pueri, ZWV 81: I. Laudate pueri
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by artist: Matthias Höfs
by artist: Wolfgang Zerer
by artist: Riccardo Minasi
by artist: NDR Radiophilharmonie
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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: Zelenka: Laudate pueri, ZWV 81: I. Laudate pueri
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Mendelssohn: 6 Kinderstücke, Op. 72: No. 1, Allegro non troppo, MWV U171
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by artist: Doomin Kim
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popularity: 9
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mendelssohn: 6 Kinderstücke, Op. 72: No. 1, Allegro non troppo, MWV U171
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Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
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by artist: Sir Neville Marriner
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by artist: Academy of St Martin in the Fields Chorus
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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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CPE Bach: Notebook for Anna Magdalena Bach: March in D Major (Formerly Attributed to JS Bach as BWV Anh. 122)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: CPE Bach: Notebook for Anna Magdalena Bach: March in D Major (Formerly Attributed to JS Bach as BWV Anh. 122)
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Gounod: 15 Mélodies enfantines: No. 15, L'arithmétique
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Gounod: 15 Mélodies enfantines: No. 15, L'arithmétique
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Ropartz: Jeunes filles: No. 5, La capricieuse
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ropartz: Jeunes filles: No. 5, La capricieuse
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Grieg: The Mountain Maid, Op. 67: No. 6, Kidlings' Dance (Version for Trumpet and Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Grieg: The Mountain Maid, Op. 67: No. 6, Kidlings' Dance (Version for Trumpet and Piano)
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Rossini: Péchés de vieillesse, Vol. 5 "Album pour les enfants adolescents": No. 10, Ouf ! Les petits pois
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Rossini: Péchés de vieillesse, Vol. 5 "Album pour les enfants adolescents": No. 10, Ouf ! Les petits pois
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Elgar: Dream Children, Op. 43: I. Andante
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subject of: OpenTimestamps Proof of Existence
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Villa-Lobos: A prole do bebê No. 1, W140: VI. A pobrezinha "A boneca de trapo"
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subject of: OpenTimestamps Proof of Existence
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Mussorgsky: The Nursery: No. 7, Sailor the Cat
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subject of: OpenTimestamps Proof of Existence
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audio: Mussorgsky: The Nursery: No. 7, Sailor the Cat
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Mompou: Scènes d'enfants: No. 5, Jeunes filles au jardin
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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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Britten: 4 Chansons françaises: No. 3, L'enfance
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  date published: 2026-07-06T01:26:17Z
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Pierné: Album pour mes petits amis, Op. 14: No. 6, Marche des petits soldats de plomb
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Berlioz: L'enfance du Christ, Op. 25, H 130, Pt. 2 "La fuite en Égypte": L'adieu des bergers. "Il s'en va loin de la terre" (Chœur)
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  date published: 2026-07-02T11:38:34Z
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Tchaikovsky: Children's Album, Op. 39: No. 23, The Organ-Grinder Sings
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audio: Tchaikovsky: Children's Album, Op. 39: No. 23, The Organ-Grinder Sings
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Saint-Saëns: Étienne Marcel, Act III: Divertissement. Entrée des écoliers et des ribaudes (Transcr. Debussy for 2 Pianos)
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Granados: Cuentos de la juventud, Op. 1: No. 1, Dedicatoria (Transcr. Isbin for Guitar)
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subject of: OpenTimestamps Proof of Existence
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Franck: Les plaintes d'une poupée, FWV 20
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Brahms: 15 Volkskinderlieder, WoO 31: No. 4, Sandmännchen (Orch. Mackerras)
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Reger: 5 Neue Kinderlieder, Op. 142: No. 3, Maria am Rosenstrausch
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Pergolesi: Laudate pueri Dominum: VII. Sicut erat in principio
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Françaix: 15 Portraits d'enfants d'Auguste Renoir: No. 7, Fillette au chapeau bleu
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subject of: OpenTimestamps Proof of Existence
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Játékok / Book 3: Harmonica (Hommage á Borsody László) - Grand Piano
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subject of: OpenTimestamps Proof of Existence
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Játékok / Book 3: Harmonica (Hommage á Borsody László) - Upright Piano
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subject of: OpenTimestamps Proof of Existence
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3 Hungarian Folksongs from the Csìk, Sz. 35a: I. Rubato - Grand Piano
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3 Hungarian Folksongs from the Csìk, Sz. 35a: I. Rubato - Upright Piano
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3 Hungarian Folksongs from the Csìk, Sz. 35a: II. L’istesso tempo - Grand Piano
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3 Hungarian Folksongs from the Csìk, Sz. 35a: II. L’istesso tempo - Upright Piano
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3 Hungarian Folksongs from the Csìk, Sz. 35a: III. Poco vivo - Grand Piano
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subject of: OpenTimestamps Proof of Existence
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audio: 3 Hungarian Folksongs from the Csìk, Sz. 35a: III. Poco vivo - Grand Piano
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3 Hungarian Folksongs from the Csìk, Sz. 35a: III. Poco vivo - Upright Piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
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7 Fantasies, Op. 116: No. 4, Intermezzo (Adagio) in E Major - Grand Piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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7 Fantasies, Op. 116: No. 4, Intermezzo (Adagio) in E Major - Upright Piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: 7 Fantasies, Op. 116: No. 4, Intermezzo (Adagio) in E Major - Upright Piano
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Játékok / Book 5: A Voice in the Distance - Grand Piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Játékok / Book 5: A Voice in the Distance - Grand Piano
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Játékok / Book 5: A Voice in the Distance - Upright Piano
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subject of: OpenTimestamps Proof of Existence
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Where Life and Death May Dwell (Icelandic Folk Song) - Grand Piano
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subject of: OpenTimestamps Proof of Existence
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audio: Where Life and Death May Dwell (Icelandic Folk Song) - Grand Piano
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Where Life and Death May Dwell (Icelandic Folk Song) - Upright 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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  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
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  date published: 2026-07-08T03:53:27Z
audio: Where Life and Death May Dwell (Icelandic Folk Song) - Upright Piano
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Trio Sonata No. 1 in E-Flat Major, BWV 525: I. (Allegro moderato) (Transcr. Kurtág) - Grand Piano
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by artist: Víkingur Ólafsson
by artist: Halla Oddný Magnúsdóttir
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genre: classical
genre: classical-piano
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Trio Sonata No. 1 in E-Flat Major, BWV 525: I. (Allegro moderato) (Transcr. Kurtág) - Grand Piano
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Trio Sonata No. 1 in E-Flat Major, BWV 525: I. (Allegro moderato) (Transcr. Kurtág) - Upright Piano
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by artist: Víkingur Ólafsson
by artist: Halla Oddný Magnúsdóttir
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genre: classical
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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: 2026-07-08T03:22:41Z
audio: Trio Sonata No. 1 in E-Flat Major, BWV 525: I. (Allegro moderato) (Transcr. Kurtág) - Upright Piano
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Ave María (Arr. Víkingur Ólafsson) - Grand Piano
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by artist: Víkingur Ólafsson
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Ave María (Arr. Víkingur Ólafsson) - Grand Piano
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Ave María (Arr. Víkingur Ólafsson) - Upright Piano
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by artist: Víkingur Ólafsson
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ave María (Arr. Víkingur Ólafsson) - Upright Piano
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Játékok / Book 1: Little Chorale - Grand Piano
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by artist: Víkingur Ólafsson
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genre: classical
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Játékok / Book 1: Little Chorale - Grand Piano
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Játékok / Book 1: Little Chorale - Upright Piano
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by artist: Víkingur Ólafsson
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Játékok / Book 1: Little Chorale - Upright Piano
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Vesperae solennes de confessore in C Major, K. 339: V. Laudate Dominum omnes gentes (Arr. Víkingur Ólafsson) - Grand Piano
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Vesperae solennes de confessore in C Major, K. 339: V. Laudate Dominum omnes gentes (Arr. Víkingur Ólafsson) - Upright Piano
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Játékok / Book 1: Sleepily - Grand Piano
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subject of: OpenTimestamps Proof of Existence
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Játékok / Book 1: Sleepily - Upright Piano
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Kinderszenen, Op. 15: No. 7, Träumerei - Grand Piano
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Kinderszenen, Op. 15: No. 7, Träumerei - Upright Piano
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Játékok / Book 7: Flowers We Are - Grand Piano
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Játékok / Book 7: Flowers We Are - Upright Piano
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The Branch - Grand Piano
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The Branch - Upright Piano
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Játékok / Book 1: Twittering - Grand Piano
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Játékok / Book 1: Twittering - Upright Piano
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Waldszenen, Op. 82: No. 7, Vogel als Prophet - Grand Piano
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Waldszenen, Op. 82: No. 7, Vogel als Prophet - Upright Piano
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