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 0xbbcdca436804f12afdaabd9a5504490b845727a37d70e04b07f0bbeaf5b20246. 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/c537bc59-3474-4c83-b788-469ebdb46f65.json and https://artists.proofprofile.net/proofs/artist/c537bc59-3474-4c83-b788-469ebdb46f65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bennett: Piano Sextet, Op. 8 / Sonata Duo, Op. 32
Violin Concerto in G Minor, Op. 82, RV 315 1
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 0x3bc7bd64e2b48fdc5d1e1a5f267ec921ccdb45de78851f1f6fe7da97588d231a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBBXS1166096.
Violin Concerto in G Minor, Op. 82, RV 315 2
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Violin Concerto in G Minor, Op. 82, RV 315 3
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Violin Concerto in F Minor, Op. 84, RV 297 1
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Violin Concerto in F Minor, Op. 84, RV 297 2
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2cc9261b36795aad57ae42e1fd96cc5395dc128c6ae47731930f7fd8d1c5ba. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBBXS1166105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4897a6cd2e8c5db79c655340322615f2e3b1a553753439dcf060d6325aba88. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBBXS1166107.
Sinfonia in B Minor, RV 169, Al Santo Sepolcro 1
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Sinfonia in B Minor, RV 169, Al Santo Sepolcro 2
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Sinfonia concertante in E-Flat Major, W. C41: II. Larghetto
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Symphonie concertante in C Major, W. C36a: I. Andante
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Concerto a piu istrumenti in D Major, W. C35: I. Allegro
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Symphonie concertante in C Major, W. C36a: III. Allegro
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Symphonie concertante in E-Flat Major, W. C33: I. Allegro (cadenza by B. Banfalvi)
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Symphonie concertante in E-Flat Major, W. C33: II. Andante
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Sinfonia concertante in E Major, W. C44: II. Larghetto
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Albinoni, T.: Concerti A 5 - Opp. 5, Nos. 1-12
Mendelssohn, Felix: Symphonies - Nos. 9, 10, 12
Orchestral Music (Hungarian) - Kauer, F. / Csermak, A. / Rozsavolgyi, M. / Weiner, L. (Hungarian Dances)
Albinoni, T.G.: Oboe Concertos - Opp. 7, 9
Tchaikovsky, P.I.: Souvenir De Florence / Valse-Scherzo / Serenade Melancolique / Pezzo Capriccioso / Romance
6 Morceaux, Op. 51: No. 6, Valse sentimentale (Arr. for Cello and Orchestra)
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Romance in F Minor, Op. 5 (Arr. for Orchestra)
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Moment Musical No. 3 in F Minor, Op. 94, D. 780
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73a764c5041353d8cd53c3aeccd41a1bcfeb2fa964fc562c5bd16f8058cb13fb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/US5541304620.
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The Marriage of Figaro, K. 492: Cherubin's Song - "Voi Che Sapete" (Instrumental Version)
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Impromptu in A-Flat Major, Op. 90: No. 4, D. 899
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Piano Concerto No. 26 in D Major, K. 537, "Coronation": III. Allegretto
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Music for the Royal Fireworks, HWV 351: V. Menuets I and II
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Song Without Words, Op. 67: No. 4 in C Major, "Spinning Song"
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Rondo a Capriccio in G Major, Op. 129, "Rage Over a Lost Penny“
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The Magic Flute, K. 620, Act II: Papageno‘s Aria (Instrumental Version)
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Water Music Suite No. 2 in D Major, HWV 349: II. Alla Hornpipe
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Mandolin Concerto in C Major, RV 425: I. Allegro
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Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo - Allegro
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Solomon, HWV 67, Act III: Arrival of the Queen of Sheba
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Piano Sonata No. 16 in C Major, K. 545, "Sonata Facile": I. Allegro
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Carmen Suite No. 2, Act II: VI. Danse Boheme
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Swan Lake, Op. 20, Act II: Scene No. 10, Moderato
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Waltz No. 1 in E-Flat Major, Op. 18, "Grande Valse Brillante"
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Scenes from Childhood, Op. 15: VII. Träumerei (Dreaming)
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String Quintet in E Major, Op.11: No.5, III. Minuetto (Menuet - Minuet)
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Lyric Pieces, Op. 43: No. 1, "Butterfly"
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The Magic Flute, K.620, Act I: "Der Vogelfänger bin ich ja" (Instrumental Version)
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Fantasiestücke (Fantasy Pieces) in D-Flat Major, Op. 12: Des Abends (Evening)
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Orfeo ed Euridice, Act II: Dance of the Blessed Spirits
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Songs Without Words, Op. 62: No. 6 - "Spring Song"
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Carnival of the Animals: IX. The Cuckoo in the Depths of the Woods
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Symphony No. 9 in E Minor, Op. 95, B. 178 - "From the New World": II. Largo (Excerpt)
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Violin Concerto No. 2 in D Minor, Op. 22: II. Romance
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Two Pieces for the Left Hand, Op. 9: No. 2, Nocturne in D-Flat Major
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Four Impromptus No. 3 in G-Flat Major, Op. 90, D. 899
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Piano Quintet in A Major, D. 667 - "The Trout": IV. Andante (Excerpt)
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Classical Music for the Reader: Great Masterpieces for the Dedicated Reader
Handel: Serse - Ombra Mai Fu (Handel's Largo)
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Haydn: String Quartet In F, Op. 3/5, "Serenade" - Serenade
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Debussy: Suite Bergamasque, L 75 - Clair De Lune
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Classical Brain Power - Over 7 Hours of Music for Concentration, Productive Learning, Studying and Working
Albrechtsberger, J.G.: Harp Concerto in C Major / Partita in F Major / Wagenseil, G.C.: Harp Concerto in G Major
Bach, J.C.: Sinfonie Concertanti, Vol. 3
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Classic Moods - Boccherini, L. / Handel, G.F. / Mendelssohn, Felix / Haydn, F.J. / Fibich, Z. / Tchaikovsky, P.I. / Grieg, E. / Dvorak, A.
Lieder ohne Worte (Song without Words), Book 5, Op. 62: No. 30 in A Major, Op. 62, No. 6, "Fruhlingslied" (arr. for violin, cello and strings)
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Moods, Impressions and Reminscences, Op. 41, Book 4: No. 14. Poeme (arr. for violin, cello and strings)
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12 Morceaux, Op. 40: No. 2. Chanson triste (arr. for cello and strings)
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Vivaldi, A.: Violin Concertos, Rv 180, 242, 253, 362, 552 / Concerto Grosso, Rv 565
The Four Seasons, Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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The Four Seasons, Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
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The Four Seasons, Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": III. Danza pastorale: Allegro
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The Four Seasons, Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non moto
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The Four Seasons, Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
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The Four Seasons, Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": I. Allegro
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The Four Seasons, Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": I. Allegro non molto
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The Four Seasons, Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
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Sinfonia for Strings in G Major, RV 149: I. Allegro molto
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Sinfonia for Strings in G Major, RV 149: II. Andante
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Sinfonia for Strings in G Major, RV 149: III. Allegro
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Schubert: Piano Quintet in A Major, "Trout" / 6 Moments Musicaux, D. 780
Piano Quintet in A Major, Op. 114, D. 667, "Die Forelle" (The Trout): III. Scherzo: Presto
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Serenade in C Major, Op. 10: I. Marcia: Allegro
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Serenade in C Major, Op. 10: II. Romanza: Adagio non troppo, quasi andante
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Serenade in C Major, Op. 10: IV. Tema con variazioni: Andante con moto
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Serenade in C Major, Op. 10: V. Rondo: Allegro vivace
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Holst, G.: St. Paul's Suite / A Fugal Concerto / Britten, B.: Simple Symphony / Walton, W.: 2 Pieces for Strings
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St. Paul's Suite, Op. 29, No. 2: II. Ostinato
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St. Paul's Suite, Op. 29, No. 2: III. Intermezzo
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Film music for Henry V: 2 Pieces for Strings: Touch Her Soft Lips and Part
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Simple Symphony, Op. 4: I. Boisterous Bouree
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Simple Symphony, Op. 4: II. Playful Pizzicato
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Simple Symphony, Op. 4: IV. Frolicsome Finale
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Widor: Piano Trio, Op. 19 / Piano Quintet, Op. 7
Bach, J.S.: Jauchzet Gott in Allen Landen / Melani, A.: Qual Mormorio Giocondo / Scarlatti, A.: Su Le Sponde Del Tebro
Vivaldi, A.: The 4 Seasons / Sinfonias, Rv 112, 132, 149 and 169
The 4 Seasons: Violin Concerto in E major, Op. 8, No. 1, RV 269, "La primavera" (Spring): I. Allegro
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The 4 Seasons: Violin Concerto in E major, Op. 8, No. 1, RV 269, "La primavera" (Spring): II. Largo e pianissimo sempre
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The 4 Seasons: Violin Concerto in E major, Op. 8, No. 1, RV 269, "La primavera" (Spring): III. Danza pastorale: Allegro
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The 4 Seasons: Violin Concerto in G minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): I. Allegro non moto
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The 4 Seasons: Violin Concerto in G minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): II. Adagio - Presto
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The 4 Seasons: Violin Concerto in G minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): III. Presto
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The 4 Seasons: Violin Concerto in F major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): I. Allegro
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The 4 Seasons: Violin Concerto in F major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): II. Adagio molto
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The 4 Seasons: Violin Concerto in F major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): III. Allegro
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The 4 Seasons: Violin Concerto in F minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): I. Allegro non molto
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The 4 Seasons: Violin Concerto in F minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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The 4 Seasons: Violin Concerto in F minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): III. Allegro
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Sinfonia for Strings in G major, RV 149: I. Allegro molto
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Sinfonia for Strings in G major, RV 149: II. Andante
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Sinfonia for Strings in G major, RV 149: III. Allegro
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Sinfonia in B minor, RV 169, "Al Santo Sepolcro": I. Adagio molto
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Sinfonia in B minor, RV 169, "Al Santo Sepolcro": II. Allegro ma poco
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Sinfonia in E major, RV 132: II. Andante
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Sinfonia in E major, RV 132: III. Allegro
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Sinfonia in C major, RV 112: II. Andante
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Sinfonia in C major, RV 112: III. Presto
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Vivaldi, A.: Recorder Concertos, Rv 433, 439, 441 / Flute Concertos, Rv 428, 434 / Flautino Concertos, Rv 443, 444
Vivaldi, A.: Violin Concertos, Op. 8, Nos. 5-7, 10 / Concerti Grossi, Op. 3, Nos. 8, 11
Elgar, E.: Serenade, Op. 20 / Suk, J.: Serenade, Op. 6 / Wolf, H.: Serenade, "Italienische Serenade"
Serenade in E Minor, Op. 20: I. Allegro piacevole
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Oboe Concertos - Stulick, M.N. / Graupner, C./ Forster, C. / Dittersdorf, C.D. Von
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Oboe d'amore Concerto in D Major: I. Grave
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Oboe d'amore Concerto in D Major: II. Allegro
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Oboe d'amore Concerto in D Major: III. Largo
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Oboe d'amore Concerto in D Major: IV. Allegro non troppo
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Oboe Concerto in C Minor: I. Allegro ma poco
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Harp Recital: Vigh, Andrea - Handel, G.F. / Dittersdorf, C.D. Von / Debussy, C. / Ravel, M.
2 Danses, "Danses sacree et profane": Danse profante
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Handel, G.F.: Organ Concertos, Op. 4, Nos. 2, 4, 5 and Op. 7, No. 4
Classic Masterworks - George Frideric Handel
Vivaldi, A.: Flute Concertos, Op. 10, Nos. 1, 2, 3, 5 / Flautino Concertos, Rv 443, 444
Flute Concerto in G Minor, Op. 10 No. 2, RV 439 "La notte": III. Allegro
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Flute Concerto in F Major, "La tempesta di mare"
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Violin Concerto in E-Flat Major, Op. 8, No. 5, RV 253, "La tempesta di mare": Presto
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Concerto for 4 Violins in B Minor, Op. 3, No. 10, RV 580: Allegro
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Concerto for 2 Violins and Cello in D Minor, Op. 3, No. 11, RV 565 (arr. for violin and orchestra): Largo e spiccato
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Concerto for 2 Trumpets in B-Flat Major: Allegro
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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): Largo
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Concerto for 2 Violins in A Minor, Op. 3, No. 8, RV 522: Allegro
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Symphony for Strings and Continuo in C Major, RV 112: I. Allegro
Antonio Vivaldi: The Four Seasons and Other String Favorites
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Symphony for Strings and Continuo in G Major, RV 149: I. Allegro molto
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