Nikolai Lvovich Lugansky (; born 26 April 1972) is a Russian pianist. He regularly performs with leading orchestras and conductors and records for labels including Warner Classics and Harmonia Mundi.
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 0xc01493799522f283994c6382d3bf488f6e41733c8d1159d26a8386672a9ff86a. 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/a2425cfe-7610-47d3-ad58-132f9b0c09a1.json and https://artists.proofprofile.net/proofs/artist/a2425cfe-7610-47d3-ad58-132f9b0c09a1.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Mozart: Concertos for 2 & 3 Pianos & Orchestra
Piano Concerto No. 10 in E-Flat Major, K. 365: I. Allegro
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 0x459932a15a8db664d7fcc4f52b4fd6601d6e92a3f80e9179cc1c2d4cfbf1b922. 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/USB8U1522102 — a six-check JSON result.
Piano Concerto No. 10 in E-Flat Major, K. 365: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95d6c6638bdd4889505070e02f230c8982e2f4a320239fbbbc8ebfbabd079ff1. 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/USB8U1522103 — a six-check JSON result.
Piano Concerto No. 10 in E-Flat Major, K. 365: III. Rondo: Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa51425f887ea5d2985bc78d5523944b0c21730b3187116abce58e350916fd91a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USB8U1522104 — a six-check JSON result.
Piano Concerto No. 7 in F Major, K. 242 "Lodron": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e42a09e80b049188c7371161c720e626c91ead11c5a80872c5080e700ad57da. 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/USB8U1522105 — a six-check JSON result.
Piano Concerto No. 7 in F Major, K. 242 "Lodron": II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d3e004e4296f4c2e7eb950ec1b0031da56b3466766ca2cad43cd96dec68c87. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/USB8U1522106 — a six-check JSON result.
Piano Concerto No. 7 in F Major, K. 242 "Lodron": III. Rondo: Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1dec5491d76de31911a1222b0e01c41045180ea92ab4285cdbf22b6391dc39b. 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/USB8U1522107 — a six-check JSON result.
Nikolai Lugansky: The Verbier Festival Debut Recital 2006 (Live)
Prelude in C-Sharp Minor, Op. 45. Sostenuto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x875898d96360c51f65aa0f24a816a078655606dc3fbbb7fbb410388a65f4f85a. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/DEN962433001 — a six-check JSON result.
Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7461a2c214db66be44c7e4e58dfc4a77540ec785abf367d51314b5188697bf5d. 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/DEN962433002 — a six-check JSON result.
Piano Sonata No. 3 in B Minor, Op. 58: III. Largo - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433dd2325a04ebcd0aaa068c1052c1956d79ebffcac46ceb667660fd6a851c75. 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/DEN962433004 — a six-check JSON result.
Piano Sonata No. 3 in B Minor, Op. 58: IV. Finale. Presto non tanto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fed559ac8771e68316d2b9754e760efb700b0e86b103e45597cb6ed89cb97a3. 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/DEN962433005 — a six-check JSON result.
6 Moments Musicaux, Op. 16: No. 1 in B-Flat Minor. Andantino - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f494081fc00c6e7e8251b31e3a34061b7a9b80b3ea8098a0699a4fdcc77c11. 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/DEN962433006 — a six-check JSON result.
6 Moments Musicaux, Op. 16: No. 2 in E-Flat Minor. Allegretto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e4295eb7fab12d077fcbe537f0a9ce2b6a907a4d0ab7fc11f754c036e9c05ed. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/DEN962433007 — a six-check JSON result.
6 Moments Musicaux, Op. 16: No. 3 in B Minor. Andante cantabile - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bcb5ccb06165b0cd6eeed6fdbdf4d8c4a66b907dfddbd9ecea76ecaa1ef41c5. 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/DEN962433008 — a six-check JSON result.
6 Moments Musicaux, Op. 16: No. 4 in E Minor. Presto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3c8d127ad185491eb7b56324d8613d2ddddf6c65ae22e047b8c2e98f5633e2. 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/DEN962433009 — a six-check JSON result.
Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255ad79114aaf6d1ad7f8b09ba3454d822e3821d15b4f83ef55d912b8a6ab3e4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/DEN962433010 — a six-check JSON result.
Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro. Lento - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf46ebda85522a527d3a95329eae6de428a1aa5e8ad7d4d911a017bd997567a. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/DEN962433011 — a six-check JSON result.
Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705951ba529aeb01269400cd48c1e9c2731c81c1097b787bc2d7492ad14a1050. 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/DEN962433012 — a six-check JSON result.
A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a24e3911f9617f231f4989f1fc8c4af400fb5aea9e2f86ff9e28b7efa8a4676. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/DEN962433014 — a six-check JSON result.
Grandes Études de Paganini, S.141: No. 3 in G-Sharp Minor "La Campanella" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3240e6025bed8802901649d8f95e73819a1f8fbaeeadce51f8083cf80898a2a. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/DEN962433015 — a six-check JSON result.
Herz und Mund und Tat und Leben, Cantata BWV 147: Jesu, Joy of Man's Desiring (Arr. Hess for Piano) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15434b0140a1a8f5dbaf30f7339bfd812c55e1f17573f6806b8925a731cde050. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/DEN962433016 — a six-check JSON result.
Das Rheingold, WWV 86A: Einzug der Götter in Walhall (Arr. for Piano by Louis Brassin & Nikolai Lugansky)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97c4ee388b7c5d7f598bc238c2f23d3403452fc3138745a5823d5df44796f9db. 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/FR7JM2385010 — a six-check JSON result.
Die Walküre, WWV 86B: Feuerzauber (Arr. for Piano by Louis Brassin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2670637f4d3a832de075ba14ddd5a23c4c5ed3bae5dfe746709b84aeac34a628. 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/FR7JM2385020 — a six-check JSON result.
Götterdämmerung, WWV 86D (Arr. for Piano by Nikolai Lugansky): Zu neuen Taten, teurer Helde. Liebesduett von Brünnhilde und Siegfried
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6a144f4d82bcf2907b6173338a15b2b15c9c08cf5fa1bd113495371f983651. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/FR7JM2385030 — a six-check JSON result.
Götterdämmerung, WWV 86D (Arr. for Piano by Nikolai Lugansky): Siegfrieds Rheinfahrt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8452433f75058a4df083785428169c1bbcf547d01349d03c946910f04a617f01. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/FR7JM2385040 — a six-check JSON result.
Götterdämmerung, WWV 86D (Arr. for Piano by Nikolai Lugansky): Siegfrieds Trauermarsch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1965100047ad9122bd39636b3584492355955f5355440dcfdf1f97e86d3d80b7. 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/FR7JM2385050 — a six-check JSON result.
Götterdämmerung, WWV 86D (Arr. for Piano by Nikolai Lugansky): Brünnhildes Schlussgesang
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d225f2d9905a497d78f7f2420cceb444b8306847329fc6e36bfe5d2e448e1c7. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/FR7JM2385060 — a six-check JSON result.
Parsifal, WWV 111: Verwandlungsmusik & Schluss-Szene (Arr. for Piano by Felix Mottl, Nikolai Lugansky & Zoltán Kocsis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8f52beb5582a9d24fd60e84407f9e36f00d347a58903a94b88ae5ca439e3a6. 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/FR7JM2385070 — a six-check JSON result.
Tristan und Isolde, WWV 90: Isoldens Liebestod aus Tristan und Isolde, S. 447 (Arr. for Piano by Franz Liszt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6267dcea70b0206ba8d11e846d8be4a7876a004da2e76a639874a43440a5b559. 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/FR7JM2385080 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 1 in F Minor (Allegro non troppo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6e281c3108caae811c0e702df8d3a10af42776ca6b247aa71f9e17ba8dd415. 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/FR7JM2256010 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 2 in C Major (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec4887df3120e12840e695140e31c5678325019393c4e0557cdf08f9c3e9208. 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/FR7JM2256020 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 3 in C Minor (Grave)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23301ba6e5dc8ba185667529afc34581763a823e9c6f3a165f7e07ba556f5187. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/FR7JM2256030 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 4 in D Minor (Moderato)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x967a56233e9377eaceae76297e03b052fa4324b6567085243670854fbaafaeb5. 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/FR7JM2256040 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 5 in E-Flat Minor (Non allegro - Presto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf807b4e32f522625fde0777bda1d2b757246b32f68a0c18fb2f037097840162c. 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/FR7JM2256050 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 6 in E-Flat Major (Allegro con fuoco)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e58a8096a17f232618adcacf518af7c5ef711f56709d2e69656fc9efebf198. 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/FR7JM2256060 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 7 in G Minor (Moderato)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4444a8518ec84f0632c0f5a3241cfcd087a0f02cda01a61d401aa902e9af7b73. 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/FR7JM2256070 — a six-check JSON result.
Études-Tableaux, Op. 33: No. 8 in C-Sharp Minor (Grave)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4971b9ac74a2c4b50a1124e045385d43e9b15de0c2971a1dfc7cf4d738bfd38b. 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/FR7JM2256080 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 1 in C Minor (Allegro agitato)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b7e8e42f179f886f570e4a0de167be84444e084ef0601952ce925d121dd5469. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FR7JM2256090 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 2 in A Minor (Lento assai)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82222c690d097da99bb855575332a5186aebdbf1c629a252e0ad8c245b4b91dc. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/FR7JM2256100 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 3 in F-Sharp Minor (Allegro molto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98754b0ba462bd28d1ae25926d04abacd5e64e41bf86989030b4fc987c5ac9c1. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FR7JM2256110 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 4 in B Minor (Allegro assai)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb67c7bf8f0190202e7f8df6c260f4343d3976ee3184db6cce0d57a38dc3e39. 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/FR7JM2256120 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor (Appassionato)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a7c45d82d4bfae1a3eac890197e77ab34b8ed34cede1721a2bf7a67c9ceb28. 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/FR7JM2256130 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 6 in A Minor (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d82ead02c223630bf699004af3114a746a910b504f03e31325164606e8b1cfe. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/FR7JM2256140 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 7 in C Minor (Lento lugubre)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa16818ea1f48a2c9d9ff879642b42fce8e1871a8be669183f300022428a534c8. 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/FR7JM2256150 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 8 in D Minor (Allegro moderato)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4053996fad3fca24def344f09fb702f9209c3f41fbb4e84ca26ab1dbc2e2ff17. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/FR7JM2256160 — a six-check JSON result.
Etudes-tableaux, Op. 39: No. 9 in D Major (Allegro moderato. Tempo di marcia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8bb96dbc68338a63ccf0db564e2df7b3a2869efa96d2954037a518ce36cb1eb. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/FR7JM2256170 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb181fa9be2e63e1e7546cf798cd05dae4dc49f9d8e1e77b7ee43d217810e93e3. 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/FR7JM2256180 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143bfd12e68ac749c81d515ab88064158e6894efe0d8b6de6f4f30903a5a03a6. 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/FR7JM2256190 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4062eafbf346d786e18a6ca895ca68b728daee5107bbd4d18d16315a49b56fd. 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/FR7JM2256200 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 1 in C Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x153fa1a153ccf46abe08cd9c347b3227a89204097f791902c627a9f6dcb8b140. 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/FRZ200200005 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 2 in A Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7023fa3270d824aeb0c6772e24e9ef533384ec7d9172ed3b56a85be8dd8758db. 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/FRZ200200006 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 3 in G Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x414f4512ae0acff962da5d5e78b4147f78d95c92ab5796739ab401180188295b. 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/FRZ200200007 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 4 in E Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dcd2f9f8c0f455ab55f39e6a1731a5d280e9f67f7ddc6dc523e3760bda8def4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FRZ200200008 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 5 in D Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed5ada341e9dcfe903bc7d4167c5c63d1183d37a4687513724d12e5b6143882. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FRZ200200009 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 6 in B Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54a8ed0eb06173b04113a856cccdad4a3f017923e7fb3bbf8feb5bf87419fa7f. 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/FRZ200200010 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 7 in A Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x226640c16297099da100871af358759577303d4966b19abdaa7034744a9d106f. 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/FRZ200200011 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 8 in F-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257747eeefa4da8cfc21fa187de89afbb65e43bd78952f33b1dedc4eedb414e8. 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/FRZ200200012 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 9 in E Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ccc3a61e29c2e10a2dd20508b33d08b0c5f54babe6c2b09a8cee3060f21263f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRZ200200013 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 11 in B Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe860f380d780f8633972d3a034bb3281e7800145167122564e84cc38847fbff8. 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/FRZ200200015 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 12 in G-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1f94ccb29feb0e247282415188305b09a1c5de13c333a4130493be953c3585. 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/FRZ200200016 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 13 in F-Sharp Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x265b0743e08a611a9c7c2e2acd5451d691916d6a6392aed9170a723363e11a52. 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/FRZ200200017 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 14 in E-Flat Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b09459e47fc91be6d82e31376459282a9a2a5cafe4c286092d47c824e66b68e. 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/FRZ200200018 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1c98f14e0eebcaf7528f7608f6f506501b7f0490077a522d829af980ec9e47. 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/FRZ200200019 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 16 in B-Flat Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e5e07a4588f703e08a79ae46720e27ce6147db2786da7d6668167174e37832. 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/FRZ200200020 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 17 in A-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe396e7316c535d3ad98c484f22ebe9afc6907e1fc38d15d773bf9eabca378499. 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/FRZ200200021 — a six-check JSON result.
Chopin: 24 Preludes, Op. 28: No. 24 in D Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d70478fe4e18c3b716c59d250e56c918a798f919d3df1afda190022b660aa11. 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/FRZ200200028 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 1 in C Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ff2c4a521256861bea8fb9d7e1ab920acca9abdb1ea99f2956b794b3152849. 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/FRZ209908201 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 2 in A Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111c8be9652f44ccb2873a3882d767dfac1c762d43268f41975ecf16f0617919. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908202 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 3 in E Major "Tristesse"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a04e2d6281431ac1660c01ee4783f2cffcf6e6d645e4313106581196c6867d. 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/FRZ209908203 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 4 in C-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19d489196bd504ff2ed4d0864c6a08d40ec701a5356196cc49744eb6b4389c44. 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/FRZ209908204 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 5 in G-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb228c02e3ce5faafad6b567a2db717377a82bb0d989db3bebd4666f699bc1e6. 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/FRZ209908205 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 6 in E-Flat Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5daa4259adf2666886f51979f70390c95887e845265b3e3511cb5e77b466f0c4. 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/FRZ209908206 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 8 in F Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f8284cc67f878adcecfd8e16ddfe5eba1b830ee6f6ff04b86b8ffe44e83c76. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FRZ209908208 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 9 in F Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb992756986eed7cbce75f5e084bca852361842e74be02815bc18ea543339e8a0. 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/FRZ209908209 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 11 in E-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd367c08b71e77d87915b4d97d16999d52c85ef8c00824184ebb3aa30bdc9a4. 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/FRZ209908211 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 12 in C Minor "Revolutionary"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d08ba2363e13ea4ed1ba20d6576e497fad88e9bd4a6d203548de23a1749a72. 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/FRZ209908212 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 1 in A-Flat Major "Aeolian Harp"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53379311a9f683c5746afad9d318c167610bc593b85eac277b31f0075d5d82af. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908213 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 2 in F Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a98cbe689211ce150c45249f3bdfb87518fdf5f2908f427d6f366459ed9ff44. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FRZ209908214 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 5 in E Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a5a487eb950696919ef1d441c2aefe9309e0e5a8b5dd2ed37a8e262acbf795. 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/FRZ209908217 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 7 in C-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48a852f2db03c88c79d98e0d5e191e32ec980f602dedf9cc60aa2c1809c33667. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/FRZ209908219 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 10 in B Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x077e12c2470d74e4d1b6b454041cd8ca45703002ac541751c9ed58523a56689f. 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/FRZ209908222 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 11 in A Minor "Winter Wind"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7160e7d623541c1069535b7c26aad893fd0e76caaaa6945a83709b9a9458f2a. 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/FRZ209908223 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 12 in C Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRZ209908224 — a six-check JSON result.
Chopin: 3 Nouvelles études, Op. Posth.: No. 1 in F Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09b4e8079fd30e11bc872cdf39da99aefe5b6faf36fedb9814e63d707d4dc1fa. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/FRZ209908225 — a six-check JSON result.
Beethoven: Piano Sonatas Nos. 14, 17 & 23
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": II. Allegretto
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
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Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": I. Allegro assai
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Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": II. Andante con moto
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Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo - Presto
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Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": I. Largo - Allegro
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Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": II. Adagio
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Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": III. Allegretto
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Beethoven: Late Piano Sonatas, Opp. 101,109 & 111
Piano Sonata No. 28 in A Major, Op. 101: I. Etwas lebhaft und mit der innigsten Empfindung. Allegretto ma non troppo
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Piano Sonata No. 30 in E Major, Op. 109: I. Vivace ma non troppo, sempre legato - Adagio espressivo
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Prélude, Choral et Fugue, FWV 21: Prélude. Moderato
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Prélude, Choral et Fugue, FWV 21: Choral. Poco più lento - Poco Allegro
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Prélude, Choral et Fugue, FWV 21: Fugue. Tempo I°
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Prélude, Aria et Final, FWV 23: Prélude. Allegro moderato e maestoso
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Prélude, Aria et Final, FWV 23: Aria. Lento
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Prélude, Aria et Final, FWV 23: Final. Allegro molto ed agitato
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Prélude, Fugue et Variation, Op. 18: I. Andantino. II. Lento (Arr. pour piano)
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Prélude, Fugue et Variation, Op. 18: III. Allegretto ma non troppo (Arr. pour piano)
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Prélude, Fugue et Variation, Op. 18: IV. Andantino (Arr. pour piano)
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Trois Chorals pour grand orgue, FWV 38-40: Choral No. 2 en Si Mineur, FWV 39. Maestoso. Largamente con fantasia. I° tempo ma un poco meno lento (Arr. pour piano)
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Nikolai Lugansky in Concert. Moscow, 1990 (Live)
Debussy: Suite bergamasque; Estampes; 2 Arabesques
Morceaux de fantaisie, Op. 3: No. 2. Prelude in C-Sharp Minor
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10 Préludes, Op. 23: No. 1. Largo in F-Sharp Minor
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10 Préludes, Op. 23: No. 2. Maestoso in B-Flat Major
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10 Préludes, Op. 23: No. 3. Tempo di minuetto in D Minor
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10 Préludes, Op. 23: No. 4. Andante cantabile in D Major
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10 Préludes, Op. 23: No. 5. Alla marcia in G Minor
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10 Préludes, Op. 23: No. 6. Andante in E-Flat Major
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10 Préludes, Op. 23: No. 7. Allegro in C Minor
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10 Préludes, Op. 23: No. 8. Allegro vivace in A-Flat Major
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10 Préludes, Op. 23: No. 9. Presto in E-Flat Minor
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10 Préludes, Op. 23: No. 10. Largo in G-Flat Major
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13 Préludes, Op. 32: No. 1. Allegro vivace in C Major
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13 Préludes, Op. 32: No. 2. Allegretto in B-Flat Minor
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13 Préludes, Op. 32: No. 3. Allegro vivace in E Major
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13 Préludes, Op. 32: No. 4. Allegro con brio in E Minor
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13 Préludes, Op. 32: No. 5. Moderato in G Major
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13 Préludes, Op. 32: No. 6. Allegro appassionato in F Minor
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13 Préludes, Op. 32: No. 7. Moderato in F Major
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13 Préludes, Op. 32: No. 8. Vivo in A Minor
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13 Préludes, Op. 32: No. 9. Allegro in A Major
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13 Préludes, Op. 32: No. 10. Lento in B Minor
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13 Préludes, Op. 32: No. 11. Allegretto in B Major
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13 Préludes, Op. 32: No. 12. Allegro in G-Sharp Minor
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13 Préludes, Op. 32: No. 13. Grave in D-Flat Major
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Grand Sonata in G Major, Op. 37, TH 139: I. Moderato e risoluto
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Grand Sonata in G Major, Op. 37, TH 139: II. Andante non troppo quasi moderato
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Grand Sonata in G Major, Op. 37, TH 139: III. Scherzo. Allegro giocoso
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Grand Sonata in G Major, Op. 37, TH 139: IV. Finale. Allegro vivace
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The Seasons, Op. 37a, TH 135: No. 1 in A Major, January. By the Hearth
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The Seasons, Op. 37a, TH 135: No. 2 in D Major, February. The Carnival
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The Seasons, Op. 37a, TH 135: No. 3 in G Minor, March. Song of the Lark
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The Seasons, Op. 37a, TH 135: No. 4 in B-Flat Major, April. Snowdrop
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The Seasons, Op. 37a, TH 135: No. 5 in G Major, May. White Nights
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The Seasons, Op. 37a, TH 135: No. 6 in G Minor, June. Barcarolle
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The Seasons, Op. 37a, TH 135: No. 7 in E-Flat Major, July. Reaper's Song
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The Seasons, Op. 37a, TH 135: No. 8 in B Minor, August. The Harvest
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The Seasons, Op. 37a, TH 135: No. 9 in G Major, September. The Hunt
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The Seasons, Op. 37a, TH 135: No. 10 in D Minor, October. Autumn Song
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The Seasons, Op. 37a, TH 135: No. 11 in E Major, November. On the Troika
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The Seasons, Op. 37a, TH 135: No. 12 in A-Flat Major, December. Christmas
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Schubert: Piano Sonata, D. 958 & 4 Impromptus, D. 935
Piano Sonata No. 19 in C Minor, D. 958: I. Allegro
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4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major
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4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major
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Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso
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Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto
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Piano Concerto No. 2 in F Minor, Op. 21: III. Allegro vivace
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Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso
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Piano Concerto No. 1 in E Minor, Op. 11: II. Romanze. Larghetto
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Piano Concerto No. 1 in E Minor, Op. 11: III.Rondeau. Vivace
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Piano Concerto in A Minor, Op. 16: I. Allegro molto moderato
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Piano Concerto in A Minor, Op. 16: II. Adagio
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Piano Concerto in A Minor, Op. 16: III. Allegro moderato e marcato
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Piano Concerto No. 3 in C Major, Op. 26: I. Andante - Allegro
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Piano Concerto No. 3 in C Major, Op. 26: II. Tema con variazioni. Andantino
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Piano Concerto No. 3 in C Major, Op. 26: III. Allegro ma non troppo
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Piano Sonata No. 1 in D Minor, Op. 28: I. Allegro moderato
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Piano Sonata No. 1 in D Minor, Op. 28: II. Lento
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Piano Sonata No. 1 in D Minor, Op. 28: III. Allegro molto
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Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato
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Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro. Lento
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Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto
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Études d'exécution transcendante, S. 139: No. 12, Chasse-neige
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Études d'exécution transcendante, S. 139: No. 10, Allegro agitato molto
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Grandes études de Paganini, S. 141: No. 3, La Campanella. Allegretto
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Années de pèlerinage I, S. 160: No. 6, Vallée d'Obermann
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Années de pèlerinage II, S. 161: No. 1, Sposalizio
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Années de pèlerinage III, S. 163: No. 4, Les jeux d'eaux à la Villa d'Este
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Wagner-Liszt Album: Isolda's love-death - After Richard Wagner's Tristan und Isolde, WWV 90
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Études d'exécution transcendante, S. 139: No. 5, Feux follets
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Chopin: Piano Sonata No. 3, Fantasie-impromptu, Prélude, Nocturne, et al.
Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso
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Piano Sonata No. 3 in B Minor, Op. 58: IV. Finale, Presto non tanto - Agitato
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Fantaisie-impromptu in C-Sharp Minor, Op. 66: Fantaisie-impromptu in C-Sharp Minor, Op. 66
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Scherzo No. 4 in E, Op. 54: Scherzo No. 4 in E, Op. 54
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Waltz No. 7 in C-Sharp Minor, Op. 64, No. 2: Waltz No. 7 in C-Sharp Minor, Op. 64, No. 2
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Sonata for Violin and Piano: 1. Con moto
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Sonata for Violin and Piano: 2. Ballada (Con moto)
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Sonata for Violin and Piano: 3. Allegretto
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Sonata for Violin and Piano in G major, op.13 (1867): 1. Lento doloroso - Poco allegro - Allegro vivace
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Sonata for Violin and Piano in G major, op.13 (1867): 2. Allegretto tranquillo
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Sonata for Violin and Piano in G major, op.13 (1867): 3. Allegro animato
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Sonata for Violin and Piano in A: Allegretto moderato
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Sonata for Violin and Piano in A: Allegro
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Sonata for Violin and Piano in A: Recitativo-Fantasia
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Sonata for Violin and Piano in A: Allegretto poco mosso
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Piano Concerto No. 3 Op. 30: Allegro Ma Non Tanto
State Academy Symphony Orchestra of Russia
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Piano Concerto No. 3 Op. 30: Finale (Alla Breve)
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Piano Concerto No. 4 Op. 40: Allegro Vivace (Alla Breve)
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Piano Concerto No. 4 Op. 40: Allegro Vivace
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Chopin: The Poor, Sad Angel - A Chopin Recital
Rachmaninoff: Études-Tableaux, Op. 33 & Op. 39
Etudes-tableaux, Op. 33: No. 1 in F Minor. Allegro non troppo
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Etudes-tableaux, Op. 33: No. 2 in C Major. Allegro
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Etudes-tableaux, Op. 33: No. 5 in D Minor. Moderato
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Etudes-tableaux, Op. 33: No. 7 in E-Flat Major. Allegro con fuoco
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Etudes-tableaux, Op. 33: No. 3 in C Minor. Grave
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Etudes-tableaux, Op. 33: No. 6 in E-Flat Minor. Non Allegro—Presto
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Etudes-tableaux, Op. 33: No. 8 in G Minor. Moderato
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Etudes-tableaux, Op. 33: No. 9 in C-Sharp Minor. Grave
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Etudes-tableaux, Op. 39: No. 1 in C Minor. Allegro agitato
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Etudes-tableaux, Op. 39: No. 2 in A Minor. Lento assai
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Etudes-tableaux, Op. 39: No. 3 in F-Sharp Minor. Allegro molto
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Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai
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Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato
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Etudes-tableaux, Op. 39: No. 6 in A Minor. Allegro
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Etudes-tableaux, Op. 39: No. 7 in C Minor. Lento lugubre
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Etudes-tableaux, Op. 39: No. 8 in D Minor. Allegro moderato
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Etudes-tableaux, Op. 39: No. 9 in D Major. Allegro moderato. Tempo di marcia
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Beethoven: Piano Sonatas No. 7, No. 14 "Moonlight", No. 22 & No. 23 "Appassionata"
Beethoven: Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo - Presto
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Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
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Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
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Rachmaninov: Piano Concerto No. 2 in C Minor, Op.18: II. Adagio sostenuto
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Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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Rachmaninov: Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace
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Rachmaninov: Piano Concerto No. 4 in G Minor, Op. 40: II. Largo
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Rachmaninov: Piano Concerto No. 4 in G Minor, Op. 40: III. Allegro vivace
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Rachmaninov : Variations on a Theme of Corelli
Rachmaninov : Variations on a Theme of Corelli Op.42 : I Thema
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Rachmaninov : Variations on a Theme of Corelli Op.42 : II Variations 1, 2
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Rachmaninov : Variations on a Theme of Corelli Op.42 : III Variation 3
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Rachmaninov : Variations on a Theme of Corelli Op.42 : IV Variation 4
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Rachmaninov : Variations on a Theme of Corelli Op.42 : V Variations 5 - 7
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Rachmaninov : Variations on a Theme of Corelli Op.42 : VI Variation 8
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Rachmaninov : Variations on a Theme of Corelli Op.42 : VII Variations 9 - 12
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Rachmaninov : Variations on a Theme of Corelli Op.42 : VIII Variations 13 - 15
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Rachmaninov : Variations on a Theme of Corelli Op.42 : IX Variations 16, 17
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Rachmaninov : Variations on a Theme of Corelli Op.42 : X Variations 18 - 20 - Coda
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Rachmaninov : Variations on a Theme of Chopin
Rachmaninov : Variations on a Theme of Chopin Op.22 : I Thema
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Rachmaninov : Variations on a Theme of Chopin Op.22 : II Variations 1 - 6
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Rachmaninov : Variations on a Theme of Chopin Op.22 : III Variations 7 - 10
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Rachmaninov : Variations on a Theme of Chopin Op.22 : XI Variation 21
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Rachmaninov : Rhapsody on a Theme of Paganini
Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : I Introduction
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : II Variations 1 - 6
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : III Variation 7
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : IV Variations 8, 9
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : V Variation 10
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : VI Variation 11
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : VII Variation 12
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : VIII Variations 13 - 15
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : IX Variations No.16 & No.17
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Rachmaninov: Rhapsody on a Theme of Paganini, Op. 43: Variation 18 (Andante cantabile)
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Rachmaninov : Rhapsody on a Theme of Paganini Op.43 : XI Variations No.19 - No.22
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Rachmaninov: Rhapsody on a Theme of Paganini, Op. 43: Variation 23 (L'istesso tempo)
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Rachmaninov : Paganini, Corelli & Chopin Variations
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Rachmaninov : Variations on a Theme of Chopin Op.22 : IV Variation 11
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Rachmaninov : Variations on a Theme of Chopin Op.22 : V Variation 12
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Rachmaninov : Variations on a Theme of Chopin Op.22 : VI Variation 13
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Rachmaninov : Variations on a Theme of Chopin Op.22 : VII Variations 14, 15
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Rachmaninov : Variations on a Theme of Chopin Op.22 : VIII Variations 16, 17
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Rachmaninov : Variations on a Theme of Chopin Op.22 : IX Variation 18
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Rachmaninov : Variations on a Theme of Chopin Op.22 : X Variations 19, 20
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Rachmaninov : Variations on a Theme of Chopin Op.22 : XII Variation 22
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Prokofiev : Piano Sonatas 4 & 6, Romeo & Juliet selection
Prokofiev: Piano Sonata No. 6 in A Major, Op. 82: I. Allegro moderato
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Prokofiev: Piano Sonata No. 6 in A Major, Op. 82: II. Allegretto
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Prokofiev: Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo
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Prokofiev: Piano Sonata No. 6 in A Major, Op. 82: IV. Vivace
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Prokofiev: Piano Sonata No. 4 in C Minor, Op. 29: I. Allegro molto sostenuto
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Prokofiev: Piano Sonata No. 4 in C Minor, Op. 29: II. Andante assai
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Prokofiev: Piano Sonata No. 4 in C Minor, Op. 29: III. Allegro con brio, ma non leggiere
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: I. Folk Dance
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: II. Scene
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: III. Minuet
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: IV. Young Juliet
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: V. Masks
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: VI. Montagues and Capulets
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: VII. Friar Lawrence
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: VIII. Mercutio
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: IX. Dance of the Girls with Lilies
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Prokofiev: 10 Pieces from Romeo & Juliet, Op. 75: X. Romeo and Juliet Before Parting
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Prokofiev : 10 Pieces from Romeo & Juliet
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ラフマニノフ：２台のピアノのための組曲 第 1番＆第 2番
組曲第 1番「幻想的絵画」 作品 5: 1. バルカロール
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Tchaikovsky: Violin Concerto & Piano Concerto No. 1
Rachmaninov: Piano Concerto No. 1 in F-Sharp Minor, Op. 1: I. Vivace
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Rachmaninov: Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante
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Rachmaninov: Piano Concerto No. 1 in F-Sharp Minor, Op. 1: III. Allegro vivace
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Rachmaninov: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
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Rachmaninov: Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo (Adagio)
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Rachmaninov: Piano Concerto No. 3 in D Minor, Op. 30: III. Finale (Alla breve)
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Ivan Shpiller is Conducting, Vol. 5: Brahms, Beethoven
Ivan Shpiller is Conducting, Vol. 10: Chopin, Brahms (Live - The Last Concert on November 15, 2003)
Chopin : Preludes, Ballades Nos 3 & 4, Nocturnes
Chopin: Ballade No. 3 in A-Flat Major, Op. 47
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Chopin: Nocturne No. 13 in C Minor, Op. 48 No. 1
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Chopin: Nocturne No. 8 in D-Flat Major, Op. 27 No. 2
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Chopin: Ballade No. 4 in F Minor, Op. 52
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Chopin: 24 Preludes, Op. 28: No. 10 in C-Sharp Minor
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Chopin: 24 Preludes, Op. 28: No. 18 in F Minor
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Chopin: 24 Preludes, Op. 28: No. 19 in E-Flat Major
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Chopin: 24 Preludes, Op. 28: No. 20 in C Minor
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Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major
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Chopin: 24 Preludes, Op. 28: No. 22 in G Minor
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Chopin: 24 Preludes, Op. 28: No. 23 in F Major
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Chopin: Nocturne No. 18 in E Major, Op. 62 No. 2
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Rachmaninov : Preludes Op.23 & Moments musicaux
Rachmaninov: 5 Morceaux de fantaisie, Op. 3: No. 2 Prelude in C-Sharp Minor
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Rachmaninov: 10 Preludes, Op. 23: No. 1 in F-Sharp Minor
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Rachmaninov: 10 Preludes, Op. 23: No. 2 in B-Flat Major
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Rachmaninov: 10 Preludes, Op. 23: No. 3 in D Minor
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Rachmaninov: 10 Preludes, Op. 23: No. 4 in D Major
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Rachmaninov: 10 Preludes, Op. 23: No. 5 in G Minor
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Rachmaninov: 10 Preludes, Op. 23: No. 6 in E-Flat Major
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Rachmaninov: 10 Preludes, Op. 23: No. 7 in C Minor
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Rachmaninov: 10 Preludes, Op. 23: No. 8 in A-Flat Major
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Rachmaninov: 10 Preludes, Op. 23: No. 9 in E-Flat Minor
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Rachmaninov: 10 Preludes, Op. 23: No. 10 in G-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5547f9852f53eb5750b1d94c40c956ffcda2ae0a38940e10df8bc04c071d89c2. 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/FRZ200003810 — a six-check JSON result.
Rachmaninov: 6 Moments Musicaux, Op. 16: No. 1 in B-Flat Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7789de6e98ac413bdb5be4b4d1c90fd486d5a258496c1d00f34f297767c34e63. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), 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/FRZ200003901 — a six-check JSON result.
Rachmaninov: 6 Moments Musicaux, Op. 16: No. 2 in E-Flat Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab929b22d2b3681d1d5baabc58b2d09f8de4b0dfbf0b706771ebeff45571fb71. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/FRZ200003902 — a six-check JSON result.
Rachmaninov: 6 Moments Musicaux, Op. 16: No. 3 in B Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd7155f4d6b579a57f66a5f0966f5622dd8b0e139986c7f1920e0014b7e48a5. 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/FRZ200003903 — a six-check JSON result.
Rachmaninov: 6 Moments Musicaux, Op. 16: No. 4 in E Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008a89212927765c05a42ef34685bc987f2932ba2df3bd723e0ac88a19999e64. 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/FRZ200003904 — a six-check JSON result.
Rachmaninov: 6 Moments Musicaux, Op. 16: No. 5 in D-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca28f23f8d38bc787ce6f4a06606cd2a00570f5e67d9966b936505baafb4ffe. 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/FRZ200003905 — a six-check JSON result.
Rachmaninov: 6 Moments Musicaux, Op. 16: No. 6 in C Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d6d34f8032077961a424db38933769c11a0341a1b04db894f70e7b39a828b2. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRZ200003906 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb494e833fcd40d72fc2fb71a3cfb0de458f39b65b78078b2d3ae7b5f481c0778. 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/FRZ200003801 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c275621e496444b6190b22c2e7bd72f65624b4f64ca2a013e63b10f34d86ee. 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/FRZ200003802 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e62d859008c602fc5c880cf002a1d7cdf54b3fc09a9cacefaffaa9124d37c6c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRZ200003803 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08fb7019a6f0c4461283b093b5350692049f89ac2cd279022e71fddda4819f03. 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/FRZ200003804 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe641ccb41960fe535b575735f1ea1a52481818260e77619dac20ce9e7010507. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/FRZ200003805 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e325c29825ab07748b103872fec33452226d4b179a1f2e478604de15dd35462. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/FRZ200003806 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca1c43266dd5d8ea5f86f162981d22bc49f664b184ef07869fd125fc2d27d0e9. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/FRZ200003807 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5547f9852f53eb5750b1d94c40c956ffcda2ae0a38940e10df8bc04c071d89c2. 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/FRZ200003810 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ff2c4a521256861bea8fb9d7e1ab920acca9abdb1ea99f2956b794b3152849. 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/FRZ209908201 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111c8be9652f44ccb2873a3882d767dfac1c762d43268f41975ecf16f0617919. 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/FRZ209908202 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a04e2d6281431ac1660c01ee4783f2cffcf6e6d645e4313106581196c6867d. 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/FRZ209908203 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19d489196bd504ff2ed4d0864c6a08d40ec701a5356196cc49744eb6b4389c44. 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/FRZ209908204 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb228c02e3ce5faafad6b567a2db717377a82bb0d989db3bebd4666f699bc1e6. 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/FRZ209908205 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5daa4259adf2666886f51979f70390c95887e845265b3e3511cb5e77b466f0c4. 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/FRZ209908206 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 7 in C Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290245829dbbfabbee34322d0e46eedb0cb15d5985997b6becd11c5141415e35. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/FRZ209908207 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f8284cc67f878adcecfd8e16ddfe5eba1b830ee6f6ff04b86b8ffe44e83c76. 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/FRZ209908208 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb992756986eed7cbce75f5e084bca852361842e74be02815bc18ea543339e8a0. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/FRZ209908209 — a six-check JSON result.
Chopin: 12 Études, Op. 10: No. 10 in A-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3f508d43b246b31e8f6cbf7bc4167624310fdfe8d1c5018f29e3f7baca698fd. 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/FRZ209908210 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d08ba2363e13ea4ed1ba20d6576e497fad88e9bd4a6d203548de23a1749a72. 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/FRZ209908212 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a98cbe689211ce150c45249f3bdfb87518fdf5f2908f427d6f366459ed9ff44. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/FRZ209908214 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 3 in F Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ae7adc0ce1e16abbdbd3436ddf014dce2231e2c728d6c9a5cfee3f373d6f701. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRZ209908215 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 4 in A Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14ed7b79112ab8ea9a8678457a7cb0c733633c9ec0ab00846b7a93d7706e328. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/FRZ209908216 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a5a487eb950696919ef1d441c2aefe9309e0e5a8b5dd2ed37a8e262acbf795. 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/FRZ209908217 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 6 in G-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x913f1a8c630046bbeb480c135644624a68d649654acfddc4979b6553a5bd481b. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/FRZ209908218 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48a852f2db03c88c79d98e0d5e191e32ec980f602dedf9cc60aa2c1809c33667. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/FRZ209908219 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 8 in D-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x569460b03d8f151f8db2affc246b512882cf57833fe3e8a3a30b8ce6f5d87981. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908220 — a six-check JSON result.
Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b180c6d83ed1f4a63c696627252aa812c462ac904e6419c1576d04884000071. 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/FRZ209908221 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x077e12c2470d74e4d1b6b454041cd8ca45703002ac541751c9ed58523a56689f. 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/FRZ209908222 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7160e7d623541c1069535b7c26aad893fd0e76caaaa6945a83709b9a9458f2a. 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/FRZ209908223 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac. 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/FRZ209908224 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09b4e8079fd30e11bc872cdf39da99aefe5b6faf36fedb9814e63d707d4dc1fa. 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/FRZ209908225 — a six-check JSON result.
Chopin: 3 Nouvelles études, Op. Posth.: No. 2 in A-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37aaf9d03bfe5972bcc634c2a788973e9c71101a9ef1f359ae4b278f1b1fd9ea. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/FRZ209908226 — a six-check JSON result.
Chopin: 3 Nouvelles études, Op. Posth.: No. 3 in D-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc6f103a1107adba99bfab5a61eb9f01e93617dbf6a453117ed1761c4f98e5d. 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/FRZ209908227 — a six-check JSON result.
Nikolai Lugansky. The First Recital (Live)
12 Etudes, Op. 8: No. 12 in D-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86309356c5d5018728ec1a422bd49027cbe39ff314ad9492cb2b259d559ea45b. 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/RUAAX2200617 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac. 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/FRZ209908224 — a six-check JSON result.
Klassische Musik für den Sommer - Über das Meer
Klaviermusik 50 Meisterwerke – Klassik die man hören muss
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1c98f14e0eebcaf7528f7608f6f506501b7f0490077a522d829af980ec9e47. 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/FRZ200200019 — a six-check JSON result.