1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08b94755bd835ade48dad981078f18f7491d3970dc7bb7c4463e0f94ae1f3f5. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/58013e2a-ab2f-4905-a92c-2afb5a1c97f0.json and https://artists.proofprofile.net/proofs/artist/58013e2a-ab2f-4905-a92c-2afb5a1c97f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Strauss, R. / Koechlin / Britten / Zimmermann: Oboe Masterpieces
Suite Bergamasque, L. 75: III. Clair de lune
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74ff996b152bf71ecaab2e005d98888c73c704879e4f1180b6c7f8ef82459a4d. 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/SEWDL6143066.
The 50 Most Essential Pieces of Classical Music
Canon and Gigue in D Major, P. 37: I. Canon
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The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
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14 Romances, Op. 34: No. 14, Vocalise (Lentamente)
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Swan Lake Suite, Op. 20a: Scéne, Moderato
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Messiah, HWV 56, Pt. II: No. 44, Hallelujah
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Le Carnaval des Animaux, R. 125: XIII. Le Cygne
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Symphony No. 5 in C Minor, Op. 67 "Fate": I. Allegro con brio
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Bagatelle in A Minor, WoO 59 "Für Elise"
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Symphony No. 9 in D Minor, Op. 125 "Choral": II. Scherzo (Molto vivace)
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Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": III. Allegretto
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Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": III. Rondo: Allegro
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Romance for Violin and Orchestra in G Major, Op. 40
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Uplifting Classical - Music to energize your mood
The Sleeping Beauty, Ballet Suite, Op. 66a, V. Waltz (Allegro-Tempo di Valse)
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The Beautiful Blue Danube, Waltz, Op. 314 (From "True Lies")
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Swan Lake, Ballet suite, Op. 20a, Dance of the swans
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Songs without Words, Book V, Op. 62, No. 30 in A Major "Spring Song"
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Gianni Schicchi: Act I - "O mio babbino caro"
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Rhapsody On a Theme By Paganini, Op. 43: Variation No. 18
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Piano Sonata No. 16 in C Major, K.545 "Sonata facile", I. Allegro
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Piano Concerto No. 1 in E Minor, Op. 11, II. Romance (Larghetto)
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Symphony No. 40 in G Minor, K.550, I. Molto Allegro
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Piano Trio in B-Flat Major, D 898 (Op.post.99), IV. Rondo. Allegro vivace
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Suite for Shakespeare's "Much Ado About Nothing", Op. 11, V. Hornpipe
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The Marriage of Figaro, "Le Nozze di Figaro", K.492,Overture (From "Willie Wonka and the Chocolate Factory")
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
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Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2 "Moonlight": I. Adagio Sostenuto - Excerpt
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Cello Sonata No. 2 in G Minor, Op. 5, No. 2: I. Adagio Sostenuto Ed Esspresivo
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Concerto for Piano and Orchestra No. 5 in E Flat Major, 'Emperor', Op. 73: I. Allegro
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Concerto for Piano and Orchestra No. 5 in E Flat Major, 'Emperor', Op. 73: II. Adagio un poco Mosso
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Concerto for Piano and Orchestra No. 5 in E Flat Major, 'Emperor', Op. 73: III. Rondo (Allegro)
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Violin Sonata No. 4 in A Minor, Op. 23: I. Allegro Molto
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The Planets, Suite for Large Orchestra, Op. 32: IV. Jupiter, The Bringer of Jollity
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Pomp and Circumstance Marches, Op. 39: March No. 1 in D Major (Arr. for Brass Ensemble and Organ)
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Fancy Dress Suite, Op. 82: III. Dusk (Waltz)
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The Pirates of Penzance, Act 1: No. 13, "I Am the Very Model of a Modern Major-General"
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Classical Music from Ingmar Bergman Films
The 35 Most Evil Pieces of Classical Music
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Symphony No. 5 in C Minor, Op. 67, "Fate": Allegro con brio
Five Orchestral Songs on Postcard Texts of Peter Altenberg, Op. 4: I. Song No. 1
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Totentanz (Dance of Death) for Piano and Orchestra, S. 126
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The Nutcracker, Op. 71a: XVc. Pas de deux - Variation II: Dance of the Sugar-Plum Fairy
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Symphonie Fantastique, Op. 14, "Episode de la vie d'un artiste": V. Songe d'une nuit du sabbat (Dream of a Witches' Sabbath)
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Peer Gynt Suite No. 1, Op. 46: In the Hall of the Mountain King
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Dixit Dominus in G Minor, HWV 232: VIII. De torrente in via bibet
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Sonata No. 2 in B-Flat Minor for Piano, Op. 35: III. Marche Funébre (Funeral March): Lento
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Messa da Requiem: Dies irae - Tuba mirum
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Romeo and Juliet, Suite No. 2, Op. 64c: Montagues and Capulets
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Morceaux de Fantasie, Op. 3: II. Prélude in C-Sharp Minor, "The Bells of Moscow": Lento
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Die Walkürie (The Valkyrie), Act 3: Ride of the Valkyries
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Toccata and Fugue in D Minor for Organ, BWV 565
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Oboe Concertos – Schuncke, H. / Nielsen, C. / Kalliwoda, J.W. / Ropartz, J. G.
Divertimento No. 17 in D Major, K. 334: III. Menuetto
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Notturno in B Major, Op. 40: Molto adagio
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Lo Mejor de la Música Barroca: Los Grandes Clásicos
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Concerto in G Minor No.8, Op.6: I. Vivace - Grave - Allegro
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Orfeo ed Euridice, Act.II: "Dance of the Blessed Spirits"
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Los Grandes de la Musica Clasica - Jean Sibelius Vol. 3
Los Grandes de la Musica Clasica - Jean Sibelius Vol. 2
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Deux arabesques, L. 66: No. 2, Allegretto scherzando in G Major
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Préludes, Book I, L. 117: I. Danseuses de delphes
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Préludes, Book I, L. 117: IV. Les sons et les parfums tournent dans l'air du soir
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Préludes, Book I, L. 117: VIII. La fille aux cheveux de lin
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The Worlds Greatest Classical Chillout - The Only Classical Chillout Album You'll Ever Need (Digital Chilled Version)
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Sonata for Two Pianos in D Major, K448: II. Andante
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Requiem in D Minor, K. 626: III. Sequenz, No. 6, Lacrymosa
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The 99 Most Essential Classical Pieces in Movies
Peer Gynt Suite No. 1, Op. 46: In the Hall of the Mountain King (from Scoop)
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Requiem, K. 626: Lacrimosa dies illa (from The Big Lebowski)
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Rinaldo, HWV 7: "Lascia ch'io pianga" (from Antichrist)
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Cantata, BWV 147, "Herz und Mund und Tat und Leben", Part 2: X. Chorale: "Jesu bleibet meine Freude" (Jesu, Joy of Man's Desiring)
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Adagio in G Minor for Strings and Organ, "Albinoni's Adagio"
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Rigoletto: "La donna e mobile" (from Captain Corelli's Mandolin)
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Grey, Darker & Freed: Intimate Music Inspired By the Film With Mr. Grey...
Love Me Like You Do (From "Fifty Shades of Grey")
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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The Four Seasons, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
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Xerxes, HWV 40, Act I: Ombra mai fu (Instrumental Version)
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Symphony No. 5 in C Minor, Op. 67 "Fate": II. Andante con moto
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Classical Masterworks - 100 World's Greatest Classics - The Finest Classical Music In The World
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Le Carnaval des Animaux, R. 125: XIII. The Swan (Arr. for Violin)
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Piano Concerto No. 24 in C Minor, K. 491: II. Larghetto
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco moto
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The 50 Most Essential Beethoven Masterpieces
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Serenade No. 13 in G Major, K.525 "Eine kleine Nachtmusik": II. Romance - Andante
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Brandenburg Concerto No. 3 in G Major, BWV 1048, I. Allegro
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Lakme: Act I - "Dome Epais" (Flower Duet)
Bulgarian National Radio Symphony Orchestra
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Suite for Violoncello Solo No. 1 in G Major, BWV 1007, I. Prelude
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Suite No. 1 in F Major from "Water music", HWV 348, V. Air
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Brandenburg Concerto No. 4 in G Major, BWV 1049, I. Allegro
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Concerto for Viola, Orchestra and b.c. in G Major, TWV 51:G9, II. Allegro
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The Beautiful Blue Danube, Waltz, Op. 314
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Symphony No. 2 in E Minor, Op. 27: III. Adagio
Polish National Radio Symphony Orchestra
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Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo (Adagio)
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Children's Corner, L. 113: IV. The Snow is Dancing
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Images pour Piano, Set 1, L. 110: II. Hommage à Rameau
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Préludes, Book I, L. 117: XI. La danse de Puck: Capricieux et léger
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