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 0x547f8c92cb853ddce2a0bed9727f0b654b742182f364f7cf0614111f2e4122bd. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18fe5973-f570-44a1-9139-0c70f9dc3451.json and https://artists.proofprofile.net/proofs/artist/18fe5973-f570-44a1-9139-0c70f9dc3451.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Concerto No. 21 in C Major, K. 467: II. Andante
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 0xbf5ffe003c3d75a43d1f273c889a02bf412af9e8d1642ad9bfffaea0c99cfa99. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAYC0102528.
The Four Seasons, Violin Concerto in F Minor, RV 297 "Winter": II. Largo
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Canon and Gigue in D Major, P. 37: I. Canon
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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3 Gymnopédies: No. 3 in A Minor. Lent et grave
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Swan Lake, Op. 20, Act II: No. 10, Scene. Moderato
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La Gioconda, Op. 9, Act III: Dance of the Hours (Excerpt)
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Piano Concerto No. 27 in B-Flat Major, K. 595: III. Allegro
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Deux Chansons, Op. 15: No. 2, Chanson de Matin
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. Allegro
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Over the Rainbow (From "The Wizard of Oz") [Arr. for Trumpet & Orchestra]
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6 Lieder ohne Worte, Book 6, Op. 67: II. Allegro leggiero
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Waltzes, Op. 34: No. 2, Lento in A Minor
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Harpsichord Suite No. 4 in D Minor, HWV 437: III. Sarabande
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Variations on an Original Theme, Op. 36 "Enigma": Theme. Andante
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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Piano Concerto No. 25 in C Major, K. 503: III. Allegretto
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Symphony No. 3 in D Major, D. 200: II. Allegretto
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7 Fantasias, Op. 116: No. 6, Intermezzo in E Major. Andantino teneramente
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Piano Concerto No. 20 in D Minor, K. 466: II. Romance
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4 Impromptus, Op. 90, D. 899: No. 3 in G-Flat Major
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Symphony No. 94 in G Major, Hob. I:94 "Surprise": IV. Finale. Allegro di molto
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (No Tempo Marking)
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Clarinet Concerto in A Major, K. 622: II. Adagio
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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The Planets, Op. 32: I. Mars, the Bringer of War. Allegro
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Keyboard Concerto in F Minor, BWV 1056: I. Allegro
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String Quintet No. 3 in C Major, K. 515: II. Menuetto. Allegretto
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Concerto for 2 Keyboards, BWV 1060: II. Adagio
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String Quintet No. 3 in C Major, K. 515: IV. Allegro
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. Arioso (Arr. Cortot)
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Piano Sonata No. 12 in F Major, K. 332: II. Adagio
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Keyboard Concerto in D Minor, BWV 974: II. Adagio
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Oboe Concerto in C Minor, TWV 51:c1: II. Allegro (Arr. for Trumpet)
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Concerto for Flute and Harp, K. 299: II. Andantino
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Violin Concerto No. 1 in A Minor, BWV 1041: I. -
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Consolations, S. 172: III. Lento placido
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Prélude, Fugue et Variation, Op. 18: I. Prélude. Andantino
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English Suite No. 1 in A Major, BWV 806: II. Allemande
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Lieder aus Franz Schubert's "Schwanengesang", S. 560: No. 7, Ständchen
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Concerto Grosso in B-Flat Major, Op. 3 No. 2, HWV 313: II. Largo
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro - II. Adagio
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. Allegro
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): I. Allegro
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Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): II. Larghetto
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Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): III. Allegro ma non tanto
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Orchestral Suite No. 3 in D Major, BWV 1068: No. 2, Air (Transcr. for Corno inglese, Strings and Basso continuo)
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Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): I. Allegro (Cadenza: Mayer)
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Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): III. Allegro (Cadenza: Mayer)
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Bist du bei mir (Formerly Attrib. J.S. Bach as BWV 508, Transcr. for Oboe, Solo Violin, Strings and Basso continuo)
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Oster-Oratorium, BWV 249: No. 7, Sanfte soll mein Todeskummer (Adapted for Oboe d'amore, 2 Recorders, Strings and Basso continuo)
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Concerto in C Minor, Wq. 5: III. Allegro spirituoso
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Concerto in A Major, Wq. 8: III. Allegro
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Oboe Concerto in F Major, BWV 1053R (Arr. for Horn & Orchestra): III. Allegro
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Oboe d'amore Concerto in A Major, BWV 1055R (Arr. for Horn & Orchestra): I. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Keyboard Concerto in A Minor, Wq. 1, H. 403: I. Allegro (Cadenza by M. Rische)
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Keyboard Concerto in A Minor, Wq. 1, H. 403: II. Andante (Cadenza by M. Rische)
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Keyboard Concerto in D Major, Wq. 45, H. 478: III. Allegro
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Keyboard Concerto in E Minor, Wq. 15, H. 418: II. Adagio
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George Frideric Handel: Alcina (Arias & Suites)
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Vivaldi: Concerti per archi (Concertos for Solo Violins & Strings)
Concerto for 2 Cellos in G Minor, RV 531: I. Allegro
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Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
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Concerto for 4 Violins in B-Flat Major, RV 553: I. Allegro
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Concerto for 4 Violins in B-Flat Major, RV 553: II. Largo
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Concerto for 2 Violins in A Minor, RV 522: I. Allegro
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Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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Cello Concerto in G Major, RV 413: II. Largo
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Concerto in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Concerto in B Minor, Op. 3 No. 10, RV 580: III. Allegro
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Concerto for Strings in G Minor, RV 156: I. Allegro
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Bach: Dialogkantaten (International Version)
Overture for Violin, 2 Oboes, Strings and Basso continio in C minor, TWV 55:c4
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Concerto for Oboe, Strings and Basso continuo in D Minor, TWV 51:d2: II. Vivace
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Concerto for Oboe, Strings and Basso continuo in D Minor, TWV 51:d2: IV. Allegro
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Sonata (Concerto ripieno) for Strings and Basso Continuo in E Flat Major, TWV 43:Es1: I. Largo
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Concerto for 2 Violins, Strings and Basso Continuo in A Major, TWV 52:A2: II. Largo
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Sinfonia melodica for 2 Oboes, Strings and Basso Continuo in C Major, TWV 50:2: VI. Chaconnette
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Sinfonia melodica for 2 Oboes, Strings and Basso Continuo in C Major, TWV 50:2: VII. Gigue en Canarie. Très vite
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Telemann: Flute Concerto in G Major, TWV 51:G2: I. Andante
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Telemann: Flute Concerto in G Major, TWV 51:G2: II. Vivace
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Telemann: Flute Concerto in G Major, TWV 51:G2: III. Adagio
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Telemann: Flute Concerto in G Major, TWV 51:G2: IV. Allegro
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Telemann: Tafelmusik, Pt. 1, Concerto for Flute, Violin and Cello in A Major, TWV 53:A2: I. Largo
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Telemann: Tafelmusik, Pt. 1, Concerto for Flute, Violin and Cello in A Major, TWV 53:A2: II. Allegro
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Telemann: Tafelmusik, Pt. 1, Concerto for Flute, Violin and Cello in A Major, TWV 53:A2: IV. Allegro
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Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: I. Lentement
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Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: II. —
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Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: III. Loure
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Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: I. Andante
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Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: II. Allegro
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Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: III. Siciliano
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Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: IV. Vivace
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Telemann: Flute Concerto in D Major, TWV 51:D2: I. Moderato
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Telemann: Flute Concerto in D Major, TWV 51:D2: III. Largo
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Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Bach, JS: Trio Sonata in G Major, BWV 1038: I. Largo
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Bach, JS: Flute Partita in A Minor, BWV 1013: I. Allemande
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Bach, JS: Flute Partita in A Minor, BWV 1013: II. Courante
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Bach, JS: Flute Partita in A Minor, BWV 1013: III. Sarabande
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: III. Sarabande
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrées I & II
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: V. Polonaise & Double
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: VI. Menuet
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Mozart: Clarinet Concerto in A Major, K.622 : II. Adagio (Arr. for Viola & Orchestra)
Mozart: Clarinet Concerto in A Major, K.622: III. Rondo. Allegro (Arr. for Viola & Orchestra)
Stölzel: Bist du bei mir (Formerly Attrib. J.S. Bach as BWV 508, Transcr. for Oboe, Solo Violin, Strings and Basso continuo)
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J.S. Bach: Orchestral Suite No. 2 in B Minor, BWV 1067: No. 7, Badinerie (Arr. Spindler for Oboe, Strings and Basso continuo)
J.S. Bach: Orchestral Suite No. 3 in D Major, BWV 1068: No. 2, Air (Transcr. for Corno inglese, Strings and Basso continuo)
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Harpsichord Concerto in A Major, Wq. 8 (Arr. for Piano & Orchestra)
J.S. Bach/Telemann - Rekonstruierte Konzerte
The Constant Music Master - Instalment 10 - 62. Ouverture (Suite) In G Minor Violon ou Hautbois: 4. Gavotte
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Sinfonia melodica for 2 Oboes, Strings and Basso Continuo in C Major, TWV 50:2: V. Loure
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Minuet In A Minor, BWV Anh. 120 (App. C)
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Overture In C Major: "Hamburger Ebb' und Flut": 9. Gigue. Ebbe und Fluth
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Polonaise in F Major, BWV Anh. 117a (App. C)
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English Suite No. 3 in G Minor, BWV 808: VI. Gavotte II ou la Musette
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Praeludium et partita dei tuono terzo, BWV 833: 4. Sarabande (Realisation by Stéphane Gassot)
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Trio Sonata for 2 Violins and Continuo in G Minor, Op. 5, No. 4, HWV 399: IV. Gigue (Presto)
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Polonaise in F Major, BWV Anh. 117b (Notebook for Anna Magdalena Bach, 1725)
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French Suite No. 1 In D Minor Bwv 812: 4. Menuet 1
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Music for the Royal Fireworks: Suite HWV 351: 2. Bourrée
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Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 5. Gavotte (Allegro)
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Partita No. 1 in B Flat Major, BWV 825: VI. Menuet I da capo
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Water Music Suite No. 3 in G, HWV 350: 3. Menuet
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Musik zu einem Ritterballet, WoO 1: No. 4, Romanze "Minnelied". Andantino
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Orchestral Suite No. 2 in B Minor, BWV 1067: V. Polonaise I-II
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Water Music, HWV 348-350: 11. Alla Hornpipe
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Peer Gynt Suite No.1, Op. 46: Morning Mood
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Piano Sonata No. 11 in A Major, K. 331/300i: III. Alla Turca
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Pictures at an Exhibition: Ballet of the Unhatched Chicks
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The Four Seasons - Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Carnival of the Animals, R. 125: Fossils
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The Nutcracker Suite, Op.71a: Waltz of the Flowers
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Bagatelle in A Minor, WoO 59, "Albumblatt für Elise"
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Canon in D Major for Strings and Continuo
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Má vlast, JB 1:112: II. Vltava, "The Moldau"
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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