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 0x2c541804e681f16f3c559f74823818300c27e2bf04a55fd8219daa3df9982582. 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/91e0a41a-9db6-47b8-8170-7118984fe37b.json and https://artists.proofprofile.net/proofs/artist/91e0a41a-9db6-47b8-8170-7118984fe37b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hofmann, L.: Oboe Concertos / Concertos for Oboe and Harpsichord
Oboe Concerto In A Minor, RV 461: I. Allegro Non Molto
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 0x1b3660c810a17d236cae35545c0c3da4e1f511be1d3dbfa76ea110fed301beb6. 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/HKI199706804.
Oboe Concerto In A Minor, RV 461: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaef75ab0a9ad11276f6c027fb0e06779e834aefe978ad538e168a00dc0be32d2. 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/HKI199706805.
Violin Concerto In A Minor, Op. 3, No. 6, Rv 356: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb7825b4d0ba8a9255622374662dd5f442a8ebafcc27d2202ac71a265ff0e20. 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/HKI199706809.
Sinfonia For Strings In D Major, RV 122: I. Allegro
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Oboe Concerto In C Major, RV 447: I. Allegro Non Molto
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Concerto For 2 Violins In A Minor, Op. 3, No. 8, RV Rv 522: I. Allegro
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Concerto For 2 Violins In A Minor, Op. 3, No. 8, RV 522: II. Larghetto E Spiritoso
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Concerto For Strings In G Major, RV 151, "Alla Rustica": I. Presto
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Concerto For Strings In G Major, RV 151, "Alla Rustica": III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64924b85ee4055a4b40442980f0f2377d6a1e9cb66d7b38d5649ced6d024b4a9. 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/HKI199706824.
Concerto For 2 Mandolins In G Major, RV 532: I. Allegro
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Concerto For 2 Mandolins In G Major, RV 532: II. Andante
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Concerto For 2 Mandolins In G Major, RV 532: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083d9605d4c66f2afacca252f234b3d30e0a3f4b2394371c95c13f86f831c505. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI199706827.
Concerto for 2 Oboes in C Major, RV 534: II. Largo
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Koechlin: Chamber Music for Oboe & Other Instruments
Oboe Sonata, Op. 58: II. Scherzo: Danses de Faunes, Allegro vivo
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Oboe Sonata, Op. 58: III. Andante: Le soir dans la Campagne, Tres calme, presque adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c06125697f2d9fece73da3a2c6340a74e0e30275cd0f81d54bb6e8392baa7ad. 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/DEU921503403.
Concerto in D Minor for Oboe, Strings and Continuo: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d00b729b45a4817f90373f1e5095419e52f18f99cdea3d20f8ed7e59e07e45f. 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/NLY331404912.
Concerto-Pasticcio in C Major: III. Largo
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Oboe Concerto in G Minor, BWV 1056: II. Largo
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Oboe Concerto in G Major, TWV 51:2: I. Andante
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Oboe Concerto in G Minor, HWV 287: III. Sarabande. Largo
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Concerto in B-Flat, Wq. 164: II. Largo E Mesto, Con Sordini
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Sonata à Oboe, Violoncello e Basso in G Minor: III. Adagio
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Oboe Concerto in F Major, RV 456 "Harmonia Mundi": I. Largo
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Sonata in G Minor for Two Oboes, Bassoon and Basso Continuo: III. Largo
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Concerto for Oboe d'amore in A Major, TWV 51:2: III. Largo
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Sonata da camera in B-Flat Major: I. Adagio
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Oboe Concerto in E-Flat Major, TWV 51:S1: II. Largo
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Vivaldi: The Four Seasons/Wind Concertos
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 Molto
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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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70beb9421a14eeeb90e7aa1a141cae246a3788f2a4bd0d1db393e820219dfe02. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199329512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1572e2ff101d81ec1680af8f9add1c973e7ce820d291567168b7892f9ba8e18d. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-21T17:38:11Z), 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/HKI199329513.
Flute Concerto In D Major, Op. 10, No. 3, RV 428, "Il Gardellino": II. Cantabile
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Oboe Concerto In C Major, RV 450: II. Larghetto
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Oboe Concerto In C Major, RV 450: I. Allegro Molto
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12 Hours of Christmas - A Day of Classical Christmas Music
Jolivet: Chamber Music for Oboe and Cor Anglais
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Martinu, B. / Zimmermann, B.A. / Strauss, R.: Oboe Concertos
Concerto a cinque in D Minor for Solo Oboe and Strings, Op. 9 No. 2: II. Adagio
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Concerto a cinque in D Minor for Solo Oboe and Strings, Op. 9 No. 2: III. Allegro
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Concerto in C Major for Two Oboes and Strings, Op. 7 No. 2: I. Allegro
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Concerto in C Major for Two Oboes and Strings, Op. 7 No. 2: II. Adagio
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Concerto in C Major for Two Oboes and Strings, Op. 7 No. 2: III. Allegro
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Concerto à 5 in C Major for Two Oboes and Strings, Op. 9 No. 9: II. Adagio
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Concerto à 5 in C Major for Two Oboes and Strings, Op. 9 No. 9: III. Allegro
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Concerto in D Major for Two Oboes and Strings, Op. 7 No. 8: I. Without Tempo Indication
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Concerto in D Major for Two Oboes and Strings, Op. 7 No. 8: II. Largo
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Concerto à 5 in C Major for Oboe and Strings, Op. 9 No. 5: I. Allegro
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Concerto in B-Flat Major for Oboe Solo and Strings, Op. 7 No. 3: I. Allegro
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Concerto in B-Flat Major for Oboe Solo and Strings, Op. 7 No. 3: II. Adagio
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Concerto in F Major for Two Oboes and Strings, Op. 9 No. 3: I. Allegro
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Concerto a cinque in D Minor for Solo Oboe and Strings, Op. 9 No. 2: I. Allegro non presto
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Concerto in D Major for Oboe Solo and Strings, Op. 7 No. 6: I. Allego
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Concerto in D Major for Oboe Solo and Strings, Op. 7 No. 6: II. Adagio
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Concerto in D Major for Oboe Solo and Strings, Op. 7 No. 6: III. Allegro
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Concerto à 5 in C Major for Two Oboes and Strings, Op. 9 No. 9: I. Allegro
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Concerto in D Major for Two Oboes and Strings, Op. 7 No. 8: I. No Tempo Indication
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Concerto in D Major for Two Oboes and Strings, Op. 7 No. 8: III. Allegro
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Concerto à 5 in C Major for Oboe and Strings, Op. 9 No. 5: III. Allegro
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Concerto in F Major for Two Oboes and Strings, Op. 9 No. 3: II. Adagio
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Concerto in F Major for Two Oboes and Strings, Op. 9 No. 3: III. Allegro
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Concerto à 5 in B-Flat Major for Oboe and Strings, Op. 9 No. 11: I. Allegro
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Concerto à 5 in B-Flat Major for Oboe and Strings, Op. 9 No. 11: II. Adagio
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Concerto in C Major for Two Oboes and Strings, Op. 7 No. 11: II. Adagio
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Concerto in C Major for Two Oboes and Strings, Op. 7 No. 11: III. Allegro
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Concerto à 5 in A Minor for Oboe Solo and Strings, Op. 9 No. 8: II. Adagio
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Concerto à 5 in A Minor for Oboe Solo and Strings, Op. 9 No. 8: III. Allegro
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Concerto in F Major for Oboe Solo and Strings, Op. 7 No. 9: III. Allegro
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Concerto à 5 in G Major for Two Oboes and Strings, Op. 9 No. 6: II. Adagio
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6 Sonatas, ZWV 81, No. 6 in C Minor: III. Adagio
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6 Sonatas, ZWV 81, No. 6 in C Minor: IV. Allegro
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As You Like it - English Music for Oboe & Strings
Roman Christmas: Italian Concertos and Cantatas
Sonata in D Major a 8 viole con una tromba: I. Allegro
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Sonata in D Major a 8 viole con una tromba: III. Canzona
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Sonata in D Major a 8 viole con una tromba: IV. Aria
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O di Betlemme, altera poverta ventu: I. Sinfonia
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Oboe Concerto in D Minor, Op. 9, No. 2: II. Adagio
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Oboe Concerto in D Minor, Op. 9, No. 2: III. Allegro
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Concerto Grosso in G Minor, Op. 6, No. 8, "Christmas Concerto": V. Allegro
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Oboe Concerto in B-Flat Major, RV 464: II. Largo
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Oboe Concerto in B-Flat Major, RV 464: III. Allegro
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Oboe Concerto in D Major, RV 453: II. Largo
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Oboe Concerto in C Major, RV 450: I. Allegro molto
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Oboe Concerto in C Major, RV 450: III. Allegro
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Oboe Concerto in A Minor, RV 461: III. Allegro
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Oboe Concerto in A Minor, RV 462: I. Allegro
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Oboe Concerto in C Major, RV 447: I. Allegro non molto
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Italian Baroque: The Instrumental Edition Vol. 1
Sonata No. 2 in G Minor, Op. 6: II. Larghetto
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Sonata No. 2 in G Minor, Op. 6: III. Largo
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Sonata No. 9 in G Major, Op. 6: II. Allegro
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Sonata No. 5 in F Major, Op. 6: IV. Allegro
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Sonata No. 3 in B-Flat Major: III. Adagio
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Oboe Concerto in D Minor, Op. 9 No. 2: I. Allegro non presto
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Concerto in D Minor for Two Violins: Largo ma non tanto
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Concerto grosso, Op. 6, No. 8, 'Christmas': Pastorale
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Overture (Suite) No. 4 in D Major, BWV 1069: Orchestral Suite No. 4 in D Major: Bouree I/II
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Concerto in C Major, RV 443: Flautino Concerto in C Major, RV 443: Largo
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Overture in D Major, 'Darmstadt': Harlequinade
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Overture (Suite) in A Minor for Recorder and Strings, TWV 55:a2: Recorder Suite in A Minor: Rejouissance
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Christmas Chill - The Ultimate Collection
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Les grandes œuvres de la musique baroque
Solomon, HWV 67, Act III: Symphony: Arrival of the Queen of Sheba
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Polonaise No. 1 In D Major, Op. 4: Polonaise Brillante, Op. 4
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A Guided Tour of the Baroque Era, Vol. 4
Persiche trommler (Persian Drummers): III. Tappeh
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