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 0x7e34571ea84f31a2a93e45b34e79ea76e138a12f203a9b3860b3edf8f8b25ad9. Chain 2 (Bitcoin): anchored in block 953598 (2026-06-14T06:40:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0cd25f77-0ede-4b58-be9e-24fee222f88a.json and https://artists.proofprofile.net/proofs/artist/0cd25f77-0ede-4b58-be9e-24fee222f88a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Aribert Reimann: Unrevealed and Shine & Dark
Reimann, A.: Song Cycles After Schubert, Brahms, Schumann and Mendelssohn
Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
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 0xdbaca33b1f9e66a4b98533233eb88f124f30672c0265338688f251072ad51585. 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/GBAYC8702055 — a six-check JSON result.
Mozart: Serenade No. 13 in G Major, K. 525 'Eine kleine Nachtmusik': I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b434734f1e0bdd4f620382411f67e40d9a7a01ed74d1964fecf2deff476716. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/GBAYD8800032 — a six-check JSON result.
Beethoven: Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": I. Allegro moderato (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7477e516ed91be871ab992f7042360500def028de97d1a6697453ef1101145c. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBAYC9203830 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x398339c28a2d9052b93e13797ae2ec5a6cb5907c5db8c9c990c981e2235281f2. 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/GBAYC8703951 — a six-check JSON result.
Mozart: Eine kleine Nachtmusik, K. 525: II. Romance. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a80cabdefd4ae6074e12645138741a9c7fe988c3e37d9b538e2a26d83de1134. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/GBAYD8800033 — a six-check JSON result.
Beethoven: Septet in E-Flat Major, Op. 20: III. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0163f05543fd56e5e05e68a1a3664c5f7e283b68247bd3b8a2d875725715f7. 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/GBAYC8905310 — a six-check JSON result.
Vivaldi: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704ad320533e69c2a0b88149e514de3f4b731c7c66bd7fa9f119eaac029ad10c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAYC0003261 — a six-check JSON result.
Mozart: Eine kleine Nachtmusik, K. 525: III. Menuetto. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x900acaf4374ac5eafa6bf49142c0f3409e8a0c07e2047c6132f96851ff66bbc6. 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/GBAYD8800034 — a six-check JSON result.
Beethoven: Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa453bec7e836726f58c8f308286e986ba3481cbad7e332f883076e0fe6b0200b. 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/GBAYC9903853 — a six-check JSON result.
Bach, JS: Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957618aed09db0654adcb0d849f7c813ef0626859af59736fdb5beb71be25099. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/FRZ117904210 — a six-check JSON result.
Mozart: Eine kleine Nachtmusik, K. 525: IV. Rondo. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafad1d1082f7879140b15a93866f692b1f0d4a306be2221c9fbd1b031d0a8e3e. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/GBAYD8800035 — a six-check JSON result.
Beethoven: String Quartet No. 7 in F Major, Op. 59 No. 1 "Razumovsky": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d727a076da28edd09279304fec7300eb7a6795a95771cf72a82bc31067ea038. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBAYC8501615 — a six-check JSON result.
The Earle of Essex Galiard from Lachrimae, or Seaven Teares
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14673a31b54348a4cb88d5067bba72cc1b65c4e96a9ec247742d3f90bd92c541. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBAYC8901233 — a six-check JSON result.
Mozart: String Quintet No. 4 in G Minor, K. 516: III. Adagio ma non troppo (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1474b379d8a5310caae55fc40060ccf314908d1583c4bd0666db4c6c1414a9f. 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/GBAYC8603295 — a six-check JSON result.
Beethoven: Piano Trio No. 4 in B-Flat Major, Op. 11 "Gassenhauer": II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877fef9bb61ba102c5384830b20099b68d2ac60bbad4567e85cc6097e3c4df38. Chain 2 (Bitcoin): anchored in block 960339 (2026-07-31T03:13:37Z), 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/GBAYC8905305 — a six-check JSON result.
Bach, JS: Gottes Zeit ist die allerbeste Zeit, BWV 106 "Actus Tragicus": No. 1, Sonatina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc61781f3054ed99f4e9b2e6172015d17ca28f13209d631dab23c6a847ab21214. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/GBAYC8704363 — a six-check JSON result.
Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. Poco adagio, cantabile (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30249db28bf911006443b4cf0367501065b2ac2b749a4d032da5a257dff45ffe. 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/GBAYC9403253 — a six-check JSON result.
Beethoven: String Quartet No. 1 in F Major, Op. 18 No. 1: II. Adagio affettuoso ed appassionato (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6d962290195bb66b93fe04b214c4eed2c023d7d6d7f6999ddb4faf635377a8. 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/GBAYC8501613 — a six-check JSON result.
Telemann: Tafelmusik, Pt. 3, Oboe Sonata in G Minor, TWV 41:g6: VI. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0147f835cfd55914e2aac86784f0f1994e9d78d8dc5a1272ac90a677d3433df4. 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/NLA278000485 — a six-check JSON result.
Mozart: Divertimento No. 17 in D Major, K. 334/320b: III. Menuetto - Trio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x908a5e23ea998286579abca14130b76b32fa2c78ec947c538f0f1676c9712570. 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/GBAYC8901079 — a six-check JSON result.
Beethoven: Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ff5e9c1526891cbc2c04992f9a65c888d00bc129b4526eb1492639b9b71acc. 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/GBAYC9503670 — a six-check JSON result.
Ricercare del duodecimo tuono a 4 (Madrigali et ricercari, 1589) - 1989 Remastered Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2482193466b94026c1beae4f1fd4b0c347ff068368ba4e3d2ca23512151fca. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBAYD8901048 — a six-check JSON result.
String Quartet No.17 in B flat "Hunt" K458: I. Allegro vivace assai (extract)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aa1da6a81f634de9c9cfa7abd684b1770c3560dfdcaf20bd787e6f691794f7f. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/GBAYC9007475 — a six-check JSON result.
Beethoven: String Quartet No. 4 in C Minor, Op. 18 No. 4: III. Menuetto. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fa1a136363a777b6c4b57feef1e910bbadf95f4b78ca273ffef0150a11a9a08. 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/GBAYC8500533 — a six-check JSON result.
Boccherini: String Quintet in E Major, Op. 11 No. 5, G. 275: III. Minuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a7f28bf8f612963ce5f822319a3e19116edac334cb38c836ec29ff88e78328. 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/GBAYC9903580 — a six-check JSON result.
Mozart: Flute Quartet No. 1 in D Major, K. 285: I. Allegro (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43db4a8321640c64003646e6bbc4ba61f7640771e3df2b4751bdff3bdad58e03. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC9903856 — a six-check JSON result.
Beethoven: Piano Trio No. 5 in D Major, Op. 70 No. 1 "Ghost": II. Largo assai ed espressivo (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08bd87e4329dea47fe34d7e4f1a0645fb33c7293adacf4e9822acffc7a642375. 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/GBAYC9105774 — a six-check JSON result.
Bach, JS: Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: II. Adagio ma non tanto e dolce
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90875b94ff91b8cddcc035aed7d3dfe204f628e652d47dfd8edbdc0a75f5dbb8. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/GBAYC9500708 — a six-check JSON result.
Mozart: Violin Sonata No. 21 in E Minor, K. 304: II. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb13ec702060c326c13ebad4b03636b8f8b9464fbdacb1af01e0459f1ec21c09d. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/DEC629000464 — a six-check JSON result.
Beethoven: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52712aedff1057df80633e791528ba6105d8d9d356bc5a491135a445790549ab. 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/GBAYC9903854 — a six-check JSON result.
Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: I. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x064882981abf5bf4218f5281510c8a96090e0d86cff5763aa3af43e340c1faf7. 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/DEC628900705 — a six-check JSON result.
Haydn: String Quartet in B-Flat Major, Op. 76 No. 4, Hob. III:78 "Sunrise": I. Allegro con spirito (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b52ea6f40304a1d6901f20c6e91e0a1e472d5dca9fc58e85a1763821d5fb0c5. 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/GBAYC9403254 — a six-check JSON result.
Schubert: String Quartet No. 13 in A Minor, Op. 29, D. 804 "Rosamunde": II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b20a7807bda2c753450a948376ce4f120cc7c0281a8e624440b61072653d1d. 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/GBAYC8400895 — a six-check JSON result.
Lachrimae Antiquae from Lachrimae, or Seaven Teares
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f9214d68c08929959b9844bedd03a69aaf91a2e7b9dd1a64e1faa9c33faa80. 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/GBAYC8701541 — a six-check JSON result.
Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc25cf9383ae925bcfee4e61221b0e0a0ad753af52eb781249358fb8e65a535d7. 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/DEC628800404 — a six-check JSON result.
Schubert: Arpeggione Sonata in A Minor, D. 821: I. Allegro moderato (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a0be1c81b0c878eb839ac7bd7d43dd42d1e49f4c58fb43664cace05185c7e33. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/GBAYC0402690 — a six-check JSON result.
Bach, JS: Sonata No. 1 in B-Flat Major: I. — (After Trio Sonata No. 1, BWV 525)
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Haydn: The Seven Last Words, Op. 51, Hob. XX/1B: Sonata VII. "Pater, in manus tuas commendo spiritum meum"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2f075d4a1cd6d9252ba0372ba2adbc0ecf669b3727e361f9726694e2b2a863. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/DEA340600974 — a six-check JSON result.
Schubert: String Quartet No. 14 in D Minor, D. 810 "Death and the Maiden": II. Andante con moto (Excerpt)
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Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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Mozart: Divertimento in D Major, K. 136 "Salzburg Symphony No. 1": I. Allegro
Stockholm Chamber Orchestra/Franz Welser-Möst
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Boccherini: Guitar Quintet No. 4 in D Major, G. 448 "Fandango": IV. Fandango (Excerpt)
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Mozart: Serenade for Winds No. 10 in B-Flat Major, K. 361 "Gran partita": III. Adagio
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Purcell: Fantasias and In nomines: No. 1 in D Minor, Z. 732
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Mozart: Serenade No. 6 in D Major, K. 239 "Serenata Notturna": I. Marcia. Maestoso
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Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Handel: Violin Sonata in G Major, HWV 358
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Bach, JS: Musikalisches Opfer, BWV 1079: Sonata sopr' il soggetto Reale. IV. Allegro
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Bach, JS: Violin Sonata in E Minor, BWV 1023: I. — & II. Adagio ma non tanto
John Holloway, Davitt Moroney and Susann Sheppard
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Gluck: Orphée et Eurydice, Wq. 41, Act 2: Danse des ombres heureuses
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Harpsichord Concerto No. 5 in F Minor, BWV. 1056: II. Largo
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Cello Suite No. 1 in G Major, BWV. 1007: I. Prelude
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Piano Sonata No. 16 in C Major, K. 545 'Sonata facile': II. Andante
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Flute & Harp Concerto in C Major, K. 299: II. Andantino
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Violin Sonata No. 5 in F Major, Op. 24 'Spring': I. Allegro
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Concerto for Violin and Oboe in C Minor, BWV. 1060R: II. Adagio
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Kinderszenen, Op. 15: I. Von Fremdem Ländern Und Menschen
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Piano Concerto in A Minor, Op. 54: I. Allegro affettuoso
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Waldszenen, Op. 82: VII. Der Vogel als Prophet
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Albumblätter, Op. 124: No. 6, Wiegenliedchen
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Cello Concerto in A Minor, Op. 129: III. Sehr lebhaft
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Kinderszenen, Op. 15: XII. Kind im Einschlummern
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Schubert: Musique de chambre - La discothèque idéale de Diapason, Vol. 9
Dietrich Fischer-Dieskau: Lied-Edition, Vol. 3
Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
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Fantasie in C Major, Op. 17: III. Langsam getragen - Durchweg leise zu halten
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Clarinet Concerto in A Major, K. 622: II. Adagio
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Prélude à l'après-midi d'un faune, L. 86
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante (Excerpt)
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Violin Sonata No. 5 in F Major, Op. 24 "Spring": II. Adagio molto espressivo
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Clarinet Quintet in B Minor, Op. 115: II. Adagio
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The Carnival of the Animals, R. 125: XIII. The Swan
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Piano Quintet in A Major, D. 667 "The Trout": II. Andante
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Clarinet Quintet in A Major, K. 581: II. Larghetto
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Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz"
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Cello Concerto in E Minor, Op. 85: III. Adagio
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String Quartet No. 2 in F Major, Op. 41 No. 2: II. Andante quasi Variazioni
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Serenade in E Minor for Strings, Op. 20: II. Larghetto
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Lyric Pieces, Op. 71: No. 2, Summer's Eve
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Cello Sonata No. 1 in E Minor, Op. 38: II. Allegretto quasi Menuetto
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Piano Concerto in A Minor, Op. 54: II. Intermezzo (Andantino grazioso)
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Cello Concerto in B Minor, B. 191: II. Adagio ma non troppo
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Rapsodie espagnole, M. 54: I. Prélude à la nuit
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Die 12 Cellisten der Berliner Philharmoniker
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4 Sea Interludes Op. 33a: Sunday Morning
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Mendelssohn: String Quartet No. 1 in E-Flat Major, Op. 12, MWV R25: I. Adagio non troppo - Allegro non tardante
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Mendelssohn: String Quartet No. 1 in E-Flat Major, Op. 12, MWV R25: II. Canzonetta. Allegretto
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Mendelssohn: String Quartet No. 2 in A Minor, Op. 13, MWV R22: I. Adagio - Allegro vivace
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Mendelssohn: String Quartet No. 6 in F Minor, Op. 80, MWV R37: I. Allegro vivace assai
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Mendelssohn: String Quartet No. 2 in A Minor, Op. 13, MWV R22: II. Adagio non lento
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Mendelssohn: String Quartet No. 6 in F Minor, Op. 80, MWV R37: II. Allegro assai
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Mendelssohn: String Quartet No. 2 in A Minor, Op. 13, MWV R22: III. Intermezzo. Allegretto con moto - Allegro di molto
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Mendelssohn: String Quartet No. 6 in F Minor, Op. 80, MWV R37: III. Adagio
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Schumann: Piano Quintet - String Quartets 1-3
Schumann: Piano Quintet in E-Flat Major, Op. 44: I. Allegro brillante
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Schumann: Piano Quintet in E-Flat Major, Op. 44: II. In modo d'una marcia. Un poco largamente
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Schumann: Piano Quintet in E-Flat Major, Op. 44: III. Scherzo. Molto vivace
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Schumann: Piano Quintet in E-Flat Major, Op. 44: IV. Allegro, ma non troppo
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Schumann: String Quartet No. 1 in A Minor, Op. 41 No. 1: I. Introduzione. Andante espressivo - Allegro
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Schumann: String Quartet No. 1 in A Minor, Op. 41 No. 1: II. Scherzo. Presto
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Schubert: Octet in F Major, Op. 166, D. 803
Sinfonia Concertante in E-Flat Major, K. 364: III. Presto
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Piano Concerto No. 20 in D Minor, K. 466: II. Romanze
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Symphony No. 3 in E-Flat Major, Op. 55 'Eroica': I. Allegro con brio
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Symphony No. 6 in B Minor, Op. 74 'Pathétique': I. Adagio - Allegro con troppo
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Piano Concerto No. 21 in C Major, K. 467: II Andante
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Violin Concerto in D Major, Op. 77: I. Allegro non troppo
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Symphony No. 9 in D Minor, Op. 125 'Choral': II. Molto vivace - Presto - Molto vivace - Presto
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Bagatelle No. 25 in A Minor, WoO 59 'Für Elise'
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Brandenburg Concerto No. 6 in B-Flat Major, BWV. 1051: III. Allegro
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Symphony No. 7 in A Major, Op. 92: II. Allegretto
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Symphony No. 4 in A Major, Op. 90 'Italian': III. Con moto moderato
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Piano Quintet in E-Flat Major, Op. 44: II. In modo d'una marcia
Divertissement a la Hongroise in G Minor, D. 818: I. Andante
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Suite bergamasque, L. 75: III. Clair de lune
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Symphony No. 1 in B-Flat Major, Op. 38 'Spring': II. Larghetto
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Valses nobles et sentimentales, M. 61: VII. Moins vif
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Piano Concerto No. 9 in E-Flat Major, K. 271: II. Andantino
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Violin Concerto in D Major, Op. 35: I. Allegro moderato [Excerpt]
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Piano Concerto No. 10 in E-Flat Major, K. 365; K. 316a: II. Andante
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Symphony No. 23 in D Major, K. 181/K. 162b: II. Andantino grazioso
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Peer Gynt Suite No. 1, Op. 46: II. Death of Aase
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Piano Concerto No. 7 in F Major, K. 242: II. Adagio
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Cello Sonata No. 2 in F Major, Op. 99: II. Adagio affettuoso
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Orchestral Suite No. 3 in D Major, BWV. 1068: II. Air
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Symphony No. 3 in A Minor, Op. 56 'Scottish': III. Adagio
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Serenade in G Major, K. 525 'Eine kleine Nachtmusik': II. Romanze (Andante)
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Symphony No. 3 in E-Flat Major, Op. 97, 'Rhenish': II. Scherzo
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Violin Concerto in E Major, BWV. 1042: I. Allegro
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Piano Sonata No. 8 in C Minor, Op. 13 'Pathétique': II. Adagio cantabile
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Symphony No. 2 in E Minor, Op. 27: III. Adagio
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Symphony No. 3 in A Minor, Op. 44: II. Adagio ma non troppo - Allegro vivace - Tempo come prima
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Schumann: Waldszenen, Op. 82: No. 1, Entritt
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Piano Concerto No. 23 in A Major, K. 488: I. Allegro
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Violin Concerto in D Major, Op. 61: II. Larghetto
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The Nutcracker, Op. 71, Act II: No. 14, Pas de deux, Var. II. Dance of the Sugar Plum Fairy - Coda
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Piano Quintet in A Major, D. 667 "The Trout": IV.Tema (Andantino) con variazioni 1-6
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Serenade in E Minor, Op. 20: II. Larghetto
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Peer Gynt, Op. 23, Act IV: No. 15, Prelude, Morning Mood
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Piano Concerto No. 21 in C Major, K. 467: II. Andante "Elvira Madigan"
Serenade No. 10 in B-Flat Major, K. 361 "Gran Partita": III. Adagio
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze (Andante)
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Symphony No. 25 in G Minor, K. 183: II. Andante
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Violin Concerto No. 5 in A Major, K. 219: II. Adagio
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Piano Concerto No. 24 in C Minor, K. 491: II. Larghetto
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Flute and Harp Concerto in C Major, K. 299: II. Andantino
Ensemble instrumental Jean-Marie-Leclair
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Symphony No. 24 in B-Flat Major, K. 182: II. Andantino grazioso
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Symphony No. 40 in G Minor, K. 550: I. Molto Allegro
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Symphony No. 41 in C Major, K. 551 "Jupiter": I. Allegro vivace
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Flies: Wiegenlied. "Schlafe mein Prinzchen" (Formerly Attributed to Wolfgang Amadeus Mozart as K. 350)
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Romantische klassische Musik von Schumann
Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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String Quartet No. 15 in A Minor, Op. 132: III. Molto adagio
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