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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433a49e5168db5be08d88ef6b6d8aea72b5cd920abc2dfac819ebdd422ea4668. 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/11ad4776-62d0-4ab9-9ebf-3a92cb0b161e.json and https://artists.proofprofile.net/proofs/artist/11ad4776-62d0-4ab9-9ebf-3a92cb0b161e.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Korngold: Suite, Op. 23 & Piano Quintet, Op. 15
Suite, Op. 23: I. Präludium und Fuge. Kräftig und bestimmt
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa335ff6758f562698b1c8ee06a7f9ed850779a4278aba69d77b399bd3ba3442a. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015601 — a six-check JSON result.
Suite, Op. 23: II. Walzer. Nicht schnell, anmutig
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc99605b8899d7aee7862571803f23d5eb791fef37af47c6dbaa6ce9deb4c1d56. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015602 — a six-check JSON result.
Suite, Op. 23: III. Groteske. Möglichst rasch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157a735ff0193160191e5681072eee777e7f4e277305513261ba9b5f2edc9602. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015603 — a six-check JSON result.
Suite, Op. 23: IV. Lied. Schlicht und innig, nicht zu langsam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x262d290215035ebc98282609076a6d3e3876973a11817c1542e79c0a9cc7ea89. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015604 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38fbdb184b795fadf3a1bb0be15eb8ed785fb531dd4bf8138475da2e3f61d8b3. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015605 — a six-check JSON result.
Piano Quintet in E Major, Op. 15: I. Mäßiges Zeitmaß, mit schwungvoll blühendem Ausdruck
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28340c93ea23836efd2f1d15aab3d2169abb817bf6331dd6393f4491c9d230af. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015606 — a six-check JSON result.
Piano Quintet in E Major, Op. 15: II. Adagio. Mit größter Ruhe, stets äußerst gebunden und ausdrucksvoll
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda4eba9df53a2c848c6cb8c8ed799a913f12aa0998e9d20b61b17ac3a14ee561. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015607 — a six-check JSON result.
Piano Quintet in E Major, Op. 15: III. Finale. Gemessen beinahe pathetisch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x853d2cd6a29b513764d8fee9228efc101e16230000602b4fbfdf0463f5536672. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015608 — a six-check JSON result.
Korngold: Piano Trio, Op. 1 & String Sextet, Op. 10
Piano Trio in D Major, Op. 1: I. Allegro non troppo, con espressione
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0aabe4be668f7f36314303f9fe967bd86bb9e9c1ce882040eb82951d404b37. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192015501 — a six-check JSON result.
Schumann: Piano Quartet, Op. 47 - Brahms: Piano Quintet, Op. 34
Piano Quartet in E-Flat Major, Op. 47: II. Scherzo. Molto vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xced842439b2d8d5ed236377462a515d6db37cede588904ad2672f59d95b5aacd. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEX1758020 — a six-check JSON result.
Piano Quartet in E-Flat Major, Op. 47: III. Andante cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f84855ba485cf1dd6f58150b6f39b4f14147cfbe566dd7da0bccb556366263. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEX1758030 — a six-check JSON result.
Piano Quartet in E-Flat Major, Op. 47: IV. Finale. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aefe4a98d2d45b774b15f58b05844ed9c7cb198873e49045fb2fb1981a20171. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEX1758040 — a six-check JSON result.
Schubert: String Quintet - Schoenberg: Verklärte Nacht
Verklärte Nacht, Op. 4: 1. Sehr langsam (bar 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ae1e22b84c850caea9cd9facdb8bbad2157f76d271aa907ab118f29baf1125. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202771 — a six-check JSON result.
Verklärte Nacht, Op. 4: 2. Breiter (bar 200)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a137667b17ee7b580f875d48c70da80a1558c4669d726e8e51cd297cba99d3a. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202772 — a six-check JSON result.
Verklärte Nacht, Op. 4: 3. Schwer betont (bar 201)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9c022013e13fea13f93f4a7cd133e9b1eebbb52308d0b9636db0724da9e9fe. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202773 — a six-check JSON result.
Verklärte Nacht, Op. 4: 4. Sehr breit und langsam (bar 229)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x779271e725efb2f7e9fc5ee4b0779d390fbac1e576bdbc6ee0355d0bb6adcc8c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202774 — a six-check JSON result.
Verklärte Nacht, Op. 4: 5. Sehr ruhig (bar 370)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cb7c67b42ca714eae0337f65677cd2bfd32892b9fdd9daf7cd1506204600998. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202775 — a six-check JSON result.
String Quintet in C, D.956: 1. Allegro ma non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5cb62072e00d76ebc755fdcf61f26c74762f8291a6b93476eb7d66e3220f218. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202781 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7868cccff8e292cc276c5c1822bbf5c6e0152148d60f8f242ddce4c9665ec7. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202782 — a six-check JSON result.
String Quintet In C, D.956: 3. Scherzo (Presto) - Trio (Andante sostenuto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x302ee1c4cd30158cb7651dc78643b906d4c1bf7ffe4da991c304c485621bb4b4. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202783 — a six-check JSON result.
String Quintet in C, D.956: 4. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65009e01df4e12ae2160961448d52eb1d2e1c1e6dcb9b2ea8897d8e0654abc2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202784 — a six-check JSON result.
Violin Concerto No. 2 in E Major, BWV 1042: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f370f4f30ec9a08d7a132d6b9d20befd185ad52343e6f7c7c62922899d4de4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301611 — a six-check JSON result.
Violin Concerto No. 2 in E Major, BWV 1042: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfcb17e84f2b696d5d4f97f74fb4c71aba5aacf70e22f5b86a1290a50928d437. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301612 — a six-check JSON result.
Violin Concerto No. 2 in E Major, BWV 1042: III. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eec0795ea29accb20115160d580b2535c2fc831e326c170dc06f59b21c1ae40. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301613 — a six-check JSON result.
Violin Concerto No. 1 in A Minor, BWV 1041: I. [Allegro moderato]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f338715e8b2c4768a02051d18f16443f8b94cc929e81420d07700535ca4609b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301621 — a six-check JSON result.
Violin Concerto No. 1 in A Minor, BWV 1041: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223137c1157febf9f3e98c0db43b0749d3f4e01bc2f3921af76607f27c9e62d7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301622 — a six-check JSON result.
Violin Concerto No. 1 in A Minor, BWV 1041: III. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x381f0ec80fd08357d7e6acfa6e149e2fcf618ecec9b94cbcb474e6d00e09af35. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301623 — a six-check JSON result.
Concerto for Violin and Oboe in C Minor, BWV 1060R: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fcaa8432e6443cd5e0e4becf73c1aa470621ab85ff72469d0e6c417f17b842. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301601 — a six-check JSON result.
Concerto for Violin and Oboe in C Minor, BWV 1060R: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c6bae89b9f5c3141042710928996eeb231292ff86ac3d2d1c0db2de3f2a0ee. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301602 — a six-check JSON result.
Concerto for Violin and Oboe in C Minor, BWV 1060R: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb06eceb7afb48fa403a32905743e6e0251ead01054a4fea9c0a5ed81807a537e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301603 — a six-check JSON result.
Violin Sonata No. 3 in E Major, BWV 1016: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023f205346b187cb006d63ba54dbfc001a52451caf5bb6f2fe4eda6a9f91af56. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301631 — a six-check JSON result.
Violin Sonata No. 3 in E Major, BWV 1016: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633413028b1e383ace45360fc557b65266c44de558753c86e1e3a5ec76664583. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301632 — a six-check JSON result.
Violin Sonata No. 3 in E Major, BWV 1016: III. Adagio ma non tanto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82e9060fbc72e8c8828e674a17ac6f545b75f80839bae9ff2e58eeed0af698b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301633 — a six-check JSON result.
Violin Sonata No. 3 in E Major, BWV 1016: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a36b126e02cb05a217e988b7f24b20d7f861254f65875576619e376d4f1897b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301634 — a six-check JSON result.
Violin Sonata No. 4 in C Minor, BWV 1017: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bef7aaf95430cb654779172440651a140b82bcaaad61adf4912df16e1e54d59. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301641 — a six-check JSON result.
Violin Sonata No. 4 in C Minor, BWV 1017: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d86e9d27b5b21ec29e1a858478b67e6c7ce04347716eb0ab1a8dd014d80550b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301642 — a six-check JSON result.
Violin Sonata No. 4 in C Minor, BWV 1017: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd9f9a5d96ad848ec7537c51f39ba1eb4b933fdab7b6f49acb6b1d47d073a7a8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301643 — a six-check JSON result.
Violin Sonata No. 4 in C Minor, BWV 1017: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f2147c638f6b8f75fd909dddfc6c38f8017178f8d7d41143ecb06f733726d84. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071301644 — a six-check JSON result.
Violin Concerto No. 2 in G minor, Op. 63: 1. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64cf58f627607458db25afe5d3ceb47e907afacc3cb9c4df573543999ea4cc9b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071202721 — a six-check JSON result.
Violin Concerto No. 2 in G minor, Op. 63: 2. Andante assai
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Violin Concerto No. 2 in G minor, Op. 63: 3. Allegro, ben marcato
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Sonata in C major for 2 Violins, Op. 56: 1. Andante cantabile
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Sonata in C major for 2 Violins, Op. 56: 2. Allegro
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Sonata in C major for 2 Violins, Op. 56: 3. Commodo (quasi allegretto)
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Sonata in C major for 2 Violins, Op. 56: 4. Allegro con brio
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Sonata for Violin and Piano No. 1 in F minor, Op. 80: 1. Andante assai
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Sonata for Violin and Piano No. 1 in F minor, Op. 80: 2. Allegro brusco
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Sonata for Violin and Piano No. 1 in F minor, Op. 80: 3. Andante
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Sonata for Violin and Piano No. 1 in F minor, Op. 80: 4. Allegrissimo
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Mozart: Clarinet Concerto & Kegelstatt Trio
Clarinet Concerto in A Major, K. 622: I. Allegro
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Clarinet Concerto in A Major, K. 622: II. Adagio
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Clarinet Concerto in A Major, K. 622: III. Rondo. Allegro
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Piano Trio No. 2 in E-Flat Major, K. 498, "Kegelstatt": I. Andante
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Piano Trio No. 2 in E-Flat Major, K. 498, "Kegelstatt": II. Menuetto
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Piano Trio No. 2 in E-Flat Major, K. 498, "Kegelstatt": III. Rondo. Allegretto
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Clarinet Quintet in B-Flat Major, K. Anh. 91 (completed by R.D. Levin)
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Mozart: Oboe Concerto - Oboe Quartet - Sonata
Oboe Quartet in F Major, K. 370: I. Allegro
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Oboe Quartet in F Major, K. 370: II. Adagio
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Oboe Quartet in F Major, K. 370: III. Rondeau
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Oboe Concerto in C Major, K. 271k/K. 314: I. Allegro aperto
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Oboe Concerto in C Major, K. 271k / K. 314: II. Andante ma non troppo
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Oboe Concerto in C Major, K. 271k / K. 314: III. Rondo. Allegretto
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Violin Sonata No. 26 in B-Flat Major, K. 378: I. Allegro moderato (Arr. L. Slavinsky for oboe and piano)
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Violin Sonata No. 26 in B-Flat Major, K. 378: II. Andantino sostenuto e cantabile (Arr. L. Slavinsky for oboe and piano)
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Violin Sonata No. 26 in B-Flat Major, K. 378: III. Rondo. Allegro (Arr. L. Slavinsky for oboe and piano)
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Sonata in F minor for clarinet/viola and piano, Op. 120, No. 1: II. Andante un poco adagio
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Trio in A minor for clarinet/viola, cello and piano, Op. 114: I. Allegro
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Violin Sonata No. 1 in G major, Op. 78 (arr viola Klengel/Rysanov): I. Vivace ma non troppo
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Concerto for Violin and Strings in G minor, Op. 8, No. 2, R.315 "L'estate": 3. Presto (Tempo impetuoso d'estate)
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Minuet in G Major, BWV Anh. 114 - Minuet in G Minor, BWV Anh. 115
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Concerto for Harpsichord, Strings and Continuo No. 1 in D minor, BWV 1052: 1. Allegro
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J.S. Bach: J.S. Bach: Violin Concerto No.1 in A minor, BWV 1041: 1. (Allegro moderato)
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J.S. Bach: Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
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J.S. Bach: J.S. Bach: Cello Suite No.1 In G Major, BWV 1007: 1. Prélude
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J.S. Bach: J.S. Bach: Herz und Mund und Tat und Leben, Cantata BWV 147: 10. Jesu, Joy Of Man's Desiring (Arr. by Guillermo Figueroa)
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J.S. Bach: J.S. Bach: Partita for Violin Solo No.3 in E, BWV 1006: 1. Preludio
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J.S. Bach: J.S. Bach: St. Matthew Passion, BWV 244 / Part Two: "Wir setzen uns mit Tränen nieder"
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J.S. Bach: J.S. Bach: Brandenburg Concerto No.6 in B flat, BWV 1051: 3. Allegro
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J.S. Bach: J.S. Bach: Aria mit 30 Veränderungen, BWV 988 "Goldberg Variations": Aria
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J.S. Bach: J.S. Bach: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude and Fugue in C Major, BWV 846
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J.S. Bach: Organ Sonata No. 4, BWV 528: II. Andante [Adagio] (Transcr. by August Stradal)
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J.S. Bach: J.S. Bach: Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: 9. Sheep May Safely Graze
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J.S. Bach: J.S. Bach: Orchestral Suite No. 3 in D Major, BWV 1068: 2. Air
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J.S. Bach: J.S. Bach: Sonata For Viola Da Gamba And Harpsichord No.3 In G Minor, BWV 1029: 2. Adagio
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J.S. Bach: J.S. Bach: Christmas Oratorio, BWV 248 / Part Two - For The Second Day Of Christmas: No.10 Sinfonia
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J.S. Bach: J.S. Bach: Concerto in C Minor for Violin & Oboe, BWV 1060R: 2. Adagio
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J.S. Bach: J.S. Bach: Brandenburg Concerto No.3 In G Major, BWV 1048: 1. (Allegro)
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J.S. Bach: J.S. Bach: Sonata For Viola Da Gamba And Harpsichord No.3 In G Minor, BWV 1029: 1. Vivace
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J.S. Bach: J.S. Bach: Concerto for Harpsichord, Strings, and Continuo No.7 in G minor, BWV 1058: 2. Andante
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J.S. Bach: J.S. Bach: Brandenburg Concerto No. 4 in G Major, BWV 1049: 1. Allegro
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J.S. Bach: J.S. Bach: Concerto for 2 Violins, Strings, and Continuo in D minor, BWV 1043: 2. Largo ma non tanto
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J.S. Bach: J.S. Bach: Violin Concerto No.2 In E, BWV 1042: 1. Allegro
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J.S. Bach: J.S. Bach: Toccata and Fugue in D minor, BWV 565
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J.S. Bach: Partita No. 2 in D Minor, BWV 1004: Chaconne (Arr. Busoni)
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Das Wohltemperierte Klavier: Book 1, BWV 846-869: Prelude in E major BWV 854
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Sonata For Viola Da Gamba And Harpsichord No. 2 In D, BWV 1028: 1. Adagio
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Arioso (Adagio in G) from Cantata BWV 156 (Arr. by Lloyd Webber)
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English Suite No. 2 in A Minor, BWV 807: II. Allemande
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Suite In E Minor For Lute, BWV 996 - Arr. Segovia: 2. Allemande
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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Invention No. 14 in B-Flat Major, BWV 785
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Suite No. 2 in B minor, BWV 1067: 6. Menuet
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Goldberg Variations, BWV 988: Var. 5 a 1 ovvero 2 Clav.
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The Well-Tempered Clavier, Book 2: Fugue No. 6 in D Minor, BWV 875/2
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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French Suite No. 2 in C Minor, BWV 813: I. Allemande
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Herz und Mund und Tat und Leben, BWV 147: Jesu, Joy of Man's Desiring (Arr. Figueroa for Chamber Orchestra)
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The Well-Tempered Clavier, Book 1: Prelude & Fugue No. 1 in C Major, BWV 846
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Partita No. 1 for Solo Violin in B Minor, BWV 1002: V. Sarabande
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Carl Philipp Emanuel Bach Chamber Orchestra
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Suite No. 1 in C, BWV 1066: 5. Menuet I-II
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Orchestral Suite No. 3 in D, BWV 1068: 2. Air
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Wachet auf, ruft uns die Stimme, BWV 645 ('Sleepers, awake') - Arr. Sir Granville Bantock (1868-1946): Sleepers Awake
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Suite for Cello Solo No. 3 in C, BWV 1009: 3. Courante (Arr. For Guitar By Celedonio Romero)
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Suite in E for Lute, BWV 1006a/1000 - Arr. Harp: 1. Präludium
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Jesus nahm zu sich die Zwölfe, Cantata BWV 22: 5. Sanctify Us (Arr. Cohen)
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Suite No. 3 In D Major, BWV 1068: 2. Air
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Das Wohltemperierte Klavier: Book 1, BWV 846-869: Prelude in C Major, BWV 846
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Concerto For Cor Anglais (From BWV 54): 1. Larghetto
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Ich ruf zu dir, Herr Jesu Christ, BWV 639 (Arr. Busoni for Piano)
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Cantata No. 156, BWV 156 "Ich steh mit einem Fuß im Grabe": Sinfonia
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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Prelude and Fugue in E (WTK, Book I, No. 9), BWV 854: Prelude
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Prelude and Fugue in A flat (WTK, Book I, No. 17), BWV 862: Prelude
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Concerto for 2 Harpsichords, Strings, and Continuo in C minor, BWV 1062: 2. Andante e piano
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Concerto for Keyboard, Strings, and Basso continuo No. 5 in F minor, BWV 1056: 2. Largo
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Weihnachts-Oratorium, BWV 248, Pt. 2: No. 10, Sinfonia pastorale
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Partita No. 2 for Solo Violin in D Minor, BWV 1004: I. Allemande
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Cantata No. 196, BWV 196 "Der Herr denket an uns": Sinfonia
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Suite in E for Lute, BWV 1006a/1000 - Arr. Guitar: 3. Gavotte (Arr. for Guitar)
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Concerto for Oboe (from BWV 105, 170 & 49): 2. Andante
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Partita No. 1 in B-Flat Major, BWV 825: IV. Sarabande
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Sinfonia (3-Part Invention) No. 5 in E-Flat Major, BWV 791
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Piano Concerto No. 2 in E, Bwv 1053: 2. Siciliano
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Viola da gamba Sonata in D Major, BWV 1028: I. Adagio - Performed on Cello & Piano
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Partita No. 4 in D Major, BWV 828: II. Allemande
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Violin Concerto No. 1 in A minor, BWV 1041: 2. Andante
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Partita No. 1 for Solo Violin in B Minor, BWV 1002: V. Sarabande – VI. Double
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Cantata No. 150, BWV 150 "Nach dir, Herr, verlanget mich": Sinfonia
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Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: 9. Sheep May Safely Graze
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Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
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Suite No. 2 in B minor, BWV 1067: 2. Rondeau
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Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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Orchestral Suite No. 2 In B Minor, BWV 1067: 7. Badinerie
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Das Wohltemperierte Klavier: Book 1, BWV 846-869: Fugue In A Flat Major BWV 862
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Prelude for Lute in C Minor, BWV 999 (Transcr. for Guitar in D Minor)
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Das Wohltemperierte Klavier: Book 1, BWV 846-869: Fugue in G minor BWV 861
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Recomposed By Max Richter: Vivaldi, The Four Seasons: Spring 1 - 2012
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"15 Two-part inventions, BWV 772/786" and other works
15 Two-part Inventions, BWV 772/786: No. 9 in F minor, BWV 780
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15 Two-part Inventions, BWV 772/786: No. 15 in B minor, BWV 786
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15 Three-part Inventions, BWV 787/801: No. 2 in C minor, BWV 788
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 6 in A Minor for Violin, RV 356: I. Allegro
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 6 in A Minor for Violin, RV 356: II. Largo
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 6 in A Minor for Violin, RV 356: III. Presto
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Suite No. 2 in F Major, HWV 427 (Set 1): I. Adagio
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Suite No. 2 in F Major, HWV 427 (Set 1): II. Allegro
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Suite No. 2 in F Major, HWV 427 (Set 1): III. Adagio
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Suite No. 2 in F Major, HWV 427 (Set 1): IV. Allegro. Fugue
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Concerto grosso in F Major, Op. 6 No. 9, HWV 327: I. Largo
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Concerto grosso in F Major, Op. 6 No. 9, HWV 327: II. Allegro
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Concerto grosso in F Major, Op. 6 No. 9, HWV 327: III. Larghetto
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Concerto grosso in F Major, Op. 6 No. 9, HWV 327: IV. Allegro
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Concerto grosso in F Major, Op. 6 No. 9, HWV 327: V. Menuet
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Concerto grosso in F Major, Op. 6 No. 9, HWV 327: VI. Gigue
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Concerto for 2 Mandolins, Strings and Continuo in G major, RV 532 - Arr. Pepe Romero for 2 Guitars, Strings and Continuo: I. Allegro
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Concerto for 2 Mandolins, Strings and Continuo in G major, RV 532 - Arr. Pepe Romero for 2 Guitars, Strings and Continuo: II. Andante
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Concerto for 2 Mandolins, Strings and Continuo in G major, RV 532 - Arr. Pepe Romero for 2 Guitars, Strings and Continuo: III. Allegro
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Concerto grosso in B Minor, Op. 6 No. 12, HWV 330: I. Largo
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Concerto grosso in B Minor, Op. 6 No. 12, HWV 330: II. Allegro
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Concerto grosso in B Minor, Op. 6 No. 12, HWV 330: III. Aria e variato. Larghetto
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Concerto grosso in B Minor, Op. 6 No. 12, HWV 330: IV. Largo
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Brahms: Clarinet Quintet, Trio in A Minor & 6 Songs
Clarinet Quintet in B Minor, Op. 115: I. Allegro
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Clarinet Quintet in B Minor, Op. 115: II. Adagio - Più lento
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Clarinet Quintet in B Minor, Op. 115: III. Andantino - Presto non assai, ma con sentimento
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Clarinet Quintet in B Minor, Op. 115: IV. Con moto
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4 Gesänge, Op. 43: No. 2, Die Mainacht (Arr. M. Frost)
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5 Lieder, Op. 107: No. 5, Mädchenlied (Arr. M. Frost)
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5 Lieder, Op. 105: No. 2, Immer leiser wird mein Schlummer (Arr. M. Frost)
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5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Arr. M. Frost)
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5 Romanzen und Lieder, Op. 84: No. 4, Vergebliches Ständchen (Arr. M. Frost)
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6 Lieder, Op. 86: No. 2, Feldeinsamkeit (Arr. M. Frost)
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Trio in A Minor, Op. 114: III. Andantino grazioso
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Taneyev: Violin Sonata in A Minor & Piano Quintet in G Minor, Op. 30
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Violin Sonata in A Minor: IV. Allegro ma non troppo
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Piano Quintet in G Minor, Op. 30: I. Introduzione. Adagio mesto - Allegro patetico
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Brahms: Quintet, Two Songs and String Quintet
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Two Songs, Op. 91: Geistliches Wiegenlied
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String Quintet No. 2 in G, Op. 111: I. Allegro non troppo, ma con brio
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