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 0xb9fc73889a865fcc56f88c1d52d338931c88a0abb52229708bdb08a5bf96de63. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/68f797f5-6597-4b37-9461-50ff8457b5da.json and https://artists.proofprofile.net/proofs/artist/68f797f5-6597-4b37-9461-50ff8457b5da.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
The 50 Most Essential Pieces of Classical Music
Symphony No. 5 in C Minor, Op. 67 "Fate": I. Allegro con brio
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 0x66218eb361a53744ecfeb9befe6d4dcdc203609e10ea7c76ee89e1a78b812a10. 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/SEWDL0718201 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf30b9cc7aaa58087387c0bf32e5624cf95507b9d1dfbc72dbb4c82afed4b0e39. 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/SEWDL6011639 — a six-check JSON result.
Bagatelle in A Minor, WoO 59 "Für Elise"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc954a462a78ce104b3d4c700effa347f13f7b3ba5c900b68e7882618c0906561. 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/USZDG0600004 — a six-check JSON result.
Canon and Gigue in D Major, P. 37: I. Canon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68270bc034066cf4b80d26164dbd820faf25d9c7c3394d428e30c325b6f3e124. 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/USZDG0700012 — a six-check JSON result.
The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266340f846980e11c7624aec24b63c6e16c0e88c88afd3ad3f4ea074c4523d04. 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/SEWDL0721501 — a six-check JSON result.
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ed920829b0039156fca29b196bb3194ffafcfddc3532ffc01d9f576628f2cb. Chain 2 (Bitcoin): anchored in block 960384 (2026-07-31T09:54:03Z), 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/USZDG0700036 — a six-check JSON result.
Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc39faf5fcdace6427668cd2a48334efd2f552ece489010b674132547a795be93. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/SEWDL0722401 — a six-check JSON result.
Symphony No. 40 in G Minor, K. 550: I. Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa046cae4ad7ce4a4d039de0ebb32f345449230efd587b41a202fbfda061668c5. 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/SEWDL0720005 — a six-check JSON result.
Also Sprach Zarathustra, Op. 30: I. Introduction "Sunrise"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x806e2016b56cb3c323ca3a3be412c5907910850cea473d2a59a8fdddc53d6fc4. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0600564 — a six-check JSON result.
Piano Sonata No. 11 in A Major, K. 331: III. Alla Turca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba561ab48c5e0712fd1b5f0eaf1729413ffad08fc97191f16563ce6a0603bc3. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0601004 — a six-check JSON result.
Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1359f663138e56e9a408fff86a80ef9861ec2687ac82b397c36995eb40987e8c. 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/USZDG0601038 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13f3cd312af0f2cb041c393b26c76454e3a056352d88b49a39bbdcb80df3f716. 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/USZDG0600626 — a six-check JSON result.
Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10af01334a77e5ec7c5ba560eaef111dbba78b6a61dcb85281c1657ad6390803. 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/SEWDL0731005 — a six-check JSON result.
14 Romances, Op. 34: No. 14, Vocalise (Lentamente)
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Carmina Burana, Fortuna Imperatrix Mundi: No. 1, O Fortuna
Arthur Rubinstein Philharmonic Orchestra
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Suite Bergamasque, L. 75: III. Clair de lune
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f91735131e9601c78d21cdc2752cd81e9edfaaeeac6c4c3e9b601828a0f439c. 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/USZDG0601033 — a six-check JSON result.
Swan Lake Suite, Op. 20a: Scéne, Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25ab09c5c1dc72733b83c836329f17c2796eff3a7cacc28e22d6359bb456fb4d. 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/SEWDL0742808 — a six-check JSON result.
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb973680f0a64326ea5cf0f35bb82215c0c7e2c9bf9e509b3fcd0b13221d79368. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0501703 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49d8659b0589097a918924682ad694f2fd12ccf1bbc2c8f772c4c439daf02aa. 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/SEWDL0773809 — a six-check JSON result.
Liebesträume, S. 541: No. 3, O lieb so lang' du lieben kannst
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bfa367d17feccba2a1175eb4fda686c42cab5db0e4da4fbaf808c0e1524767d. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0600160 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c4e30d048a55e8645c0aec54b28fd94ee90267a95ea1954eaf9f81971adb18. 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/SEWDL0720602 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x475762076f7673c00c8c6f4fb8a4e15ae73cb2d6aeb05418ddde302609bce7a0. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USZDG0601315 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76caa337fef70e6aad8b0d9bdf91f377a62f31df144fb008eb996af7b77e36d. 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/SEWDL0753302 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x261ca00b47335654ebe785a2f4078d65ab39e3a314ff5483ffca7f389c11631c. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/SEWDL0772105 — a six-check JSON result.
Violin Concerto in E Minor, Op. 64: I. Allegro molto appassionato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882e31ae91b90b6df79648ffcff42120c0fb3d05c9e8f82caa85723f64970e12. 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/SEWDL0758501 — a six-check JSON result.
Messiah, HWV 56, Pt. II: No. 44, Hallelujah
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd2400eb678a349a57aa51c64bae29dbfc596dd668353ee34a8ba3e56d87f5a. 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/USZDG0602491 — a six-check JSON result.
Le Carnaval des Animaux, R. 125: XIII. Le Cygne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7dc20e7fcdc3d8976910625e21bba828aa302486da80003742f0fa5d6fc52a. 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/SEWDL0553909 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb421c230e315636d93818a6ac1c080733309ee1d77641fd613ab72119bd0c061. 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/SEWDL0758505 — a six-check JSON result.
Die Walküre, WWV 86B, Act III: Ride of the Valkyries
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2366a402cabadb59d54b41b48d133c58b62d91bbfb34448d06d773ab23c90ba1. 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/USZDG0600312 — a six-check JSON result.
The 99 Most Essential Choral Masterpieces
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac9aa8a20bc0b17e4b5a77a79567979d58a6e9a9d84ab70f7283ba2613dd3efc. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/SEWDL6001267 — a six-check JSON result.
Mass in B Minor, BWV 232: I. Kyrie: Kyrie eleison
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Mass in B Minor, BWV 232: IV. Gloria: Gloria in excelsis Deo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f431bf6b97e71914a2546a75f1a1bdd99a2541158e6ee2202b197d0280cf727. 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/SEAER0701040 — a six-check JSON result.
Mass in B Minor, BWV 232: V. Gloria: Et in terra pax
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeedbd508164e2370edf84fd41d445a2c3f2b5e0214fdd42719093c796a3a00c9. 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/SEAER0701050 — a six-check JSON result.
Mass in B Minor, BWV 232: IX. Gloria: Qui tollis peccata mundi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e57f9a5ae2e74980db6cfd442a4acbe65a2b1cc4210f00d27a42534fe5eb1cc. 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/SEAER0701090 — a six-check JSON result.
Mass in B Minor, BWV 232: XIII. Credo: Credo in unum Deum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3788fe0baf86163e59353109b489f2683499022c78cdd78ae34a7bf13b66cd32. 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/SEAER0702010 — a six-check JSON result.
Mass in B Minor, BWV 232: XVI. Credo: Et incarnatus est
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac13330da2445a880970c24d0e4d5ebe3bf5737eb450fd89e4f0a8f7136a0e7f. 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/SEAER0702040 — a six-check JSON result.
Mass in B Minor, BWV 232: XVII. Credo: Crucifixus
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Mass in B Minor, BWV 232: XVIII. Credo: Et resurrexit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9ad939b70dda0a6b4f6137fd87d8f5e2155dcb5c99a1d71cff6127b39905fac. 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/SEAER0702060 — a six-check JSON result.
Mass in B Minor, BWV 232: XXI. Credo: Et exspecto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e22cb30b81bb0f3a880e467a016cd23432668679c2f6ca5111dea6cafd725c. 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/SEAER0702090 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a426fec74124232d3b329b59fa8e7aa79873bf96ba9c5933b31986214c3dba. 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/SEAER0702100 — a six-check JSON result.
Mass in B Minor, BWV 232: XXV. Osanna in excelsis
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Mass in B Minor, BWV 232: XXVII. Dona nobis pacem
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Orchestre de Chambre du Philharmonique de Lettonie
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Sonate No. 14: No. 1, Au clair de Lune-Adagio sostenuto
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Suite pour Orchestre No. 3, BWV 1068. Aria
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Symphonie No. 5 en si bémol majeur, Adagio, allegro moderato (introduction)
Orchestre du Ministère de la Culture d'URSS
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Orchestre National Symphonique de Lettonie et Chœur de la Radio de Riga
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Concerto Grosso No 9 en fa majeur, Op.6 . Prélude
Orchestre de Chambre du Conservatoire de Moscou
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Prélude, Op. 28: No. 15, Goutte de pluie
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Ave Maria (arrangement sur le Prélude No. 1 de J-S. Bach)
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Conte Symphonique Pierre et le Loup (thème de Pierre)
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Les quatre saisons: Concerto No. 4, L'Hiver-Largo
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Suite pour Orchestre de variété No.1, Op. 50b, Valse No.2
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Quintette pour Piano: 4ème mouvement. la Truite (extrait)
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Concerto pour Violoncelle en mi mineur, Adagio (extrait)
Orchestre Philharmonique Royal des Flandres
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Orchestre Symphonique des Studios de Nuremberg
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Les années de pèlerinage : La vallée d'Oberman, Suisse (extrait)
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Lohengrin, Chœur des Fiançailles (acte 2)
Orchestre Symphonique National et Chœurs de Lettonie
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Solistes de l'Orchestre Symphonique de Nüremberg
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Messe de Requiem en ré mineur, KV 626, Requiem aeternam
Orchestre de la Radio Télévision de Lithuanie
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Quatuor à cordes No.13: Rosamunde - Andante
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Concerto pour Piano No. 20, Allegro (extrait)
Orchestre National de la Radio Autrichienne
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Partita pour Violon No. 2, BWV 1004, Gigue
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Nocturne pour piano No. 20, Op. posthume 1: No. 16
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Symphonie No. 9, Nouveau Monde - Largo (extrait)
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Nocturne pour piano en si bémol mineur No. 1, Op. 9
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Peer Gynt Suite No. 1, La Mort d'Ase (extrait)
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Le Lac des Cygnes : La Danse des Petits Cygnes
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Totentanz, S. 126 "Paraphrase on Dies iræ": I. Andante - Allegro - Allegro moderato
Orquestra Sinfônica do Estado de São Paulo
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Die Walkürie, WWV 86b, Act III: Ride of the Valkyries
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5 Morceaux de Fantasie, Op. 3: No. 2, Prélude in C-Sharp Minor "The Bells of Moscow"
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Stabat Mater, RV 621: I. Stabat Mater dolorosa
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Carmina Burana, Fortuna Imperatrix Mundi: No. 2, Fortunae plango vulnera
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Romeo and Juliet, Op. 64ter: I. Montagues and Capulets
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
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Symphony No. 40 in G Minor, K. 550: IV. Finale, Allegro Assai
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Cello Sonata in D Minor, Op. 40: II. Allegro
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Messa da Requiem: IIa. Sequence, Dies irae - Tuba mirum
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Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": III. Rondo (Allegro)
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Peer Gynt Suite No. 1, Op. 46: II. Aase's Death
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Ballet Suite No. 2, Op. 84b: IV. Sentimental Romance
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Symphony No. 3, Op. 36 "Symphony of Sorrowful Songs": I. Lento - Sostenuto tranquillo ma cantabile
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Fantasy in F Minor, K. 608 "Organ Piece for a Clock"
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Symphony No. 10 in E Minor, Op. 93: II. Allegro
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The Messiah, HWV 56, Pt. 1: No. 10, For Behold, Darkness Shall Cover the Earth
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Le Sacre du Printemps, Pt. 1 "L'adoration de la Terre"
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String Quartet No. 14 in D Minor, D. 810 "Death and the Maiden": I. Allegro
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Dominica Resurrectionis: Alleluia (Pascha nostrum) - Sequentia (Victimae Paschalis)
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Gershwin: An American in Paris / Concerto
Piano Concerto No. 1 in C Minor, Op. 33: I. Allegro
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Fortuna Imperatrix Mundi: Fortune plango vulnera
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eebd6b9c84b052735d73fcd45b66af396d7f6fde400e3d6009d2e5f4846f7fe. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/DKECA0500004 — a six-check JSON result.
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Uf Dem Anger: Chramer, gip die varwe mir
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Uf Dem Anger: Reie - Swaz hie gat umbe - Chume, chum geselle min
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III Cours D'Amours: Si puer cum puellula
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Rued Langgaard: The Complete Symphonies Vol. 7 - Symphonies nos. 13 & 16
Rued Langgaard: The Complete Symphonies Vol. 6 - Symphonies nos. 8, 14, 15
Rued Langgaard: The Complete Symphonies Vol. 5 - Symphonies nos. 10, 11, 12
Rued Langgaard: The Complete Symphonies Vol. 4 - Symphonies nos. 5, 7, 9
Rued Langgaard: The Complete Symphonies Vol. 3 - Symphonies 4 & 6
Rued Langgaard: The Complete Symphonies Vol. 2 - Symphonies nos. 2 & 3
Lalo / Saint-Saëns / Tchaikovsky: Concertos
The 50 Darkest Pieces of Classical Music
Totentanz (Dance of Death) for Piano and Orchestra
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The Nutcracker, Op. 71a: XVC. Pas de deux - Variation II: Dance of the Sugar-Plum Fairy
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Peer Gynt Suite No. 1, Op. 46: In the Hall of the Mountain King
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Morceaux de Fantasie, Op. 3: II. Prélude in C-Sharp Minor, "The Bells of Moscow": Lento
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Chamber Symphony, Op. 110a (after String Quartet No. 8): II. Allegro molto
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The Planets, Op. 32: Saturn, the Bringer of Old Age
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Romeo and Juliet, Ballet Suite No. 2, Op. 64: I. Montagues and Capulets
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Symphony No. 5 in C Minor, Op. 67, "Fate": Allegro con brio
Piano Sonata No. 14 in C-Sharp Minor, Op. 27:2, "Moonlight Sonata": Adagio sostenuto
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Le carnaval des animaux (The Carnival of the Animals): VII. Aquarium
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Symphony No. 40 in G Minor, K. 550: Allegro molto
Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 443: II. Largo
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The Planets, Op. 32: Mars, the Bringer of War
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Music for Strings, Percussion and Celesta, Sz 106: III. Adagio
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Sonata No. 2 in B-Flat Minor for Piano, Op. 35: III. Marche Funébre (Funeral March): Lento
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Concerto No. 10 in D Minor for Organ and Orchestra, HWV 309, Op. 7: I. Adagio
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Messa da Requiem: Dies irae - Tuba mirum
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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 2 in G Minor, RV 315, "Summer" (L'estate): III. Presto
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Masonic Funeral Music in C Minor, K. 477 (Maurerische Trauermusic)
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Symphony No. 3 in E-Flat Major, Op. 55, "Eroica": II. Marcia funébre: Adagio assai
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Sonata in D Minor for Cello and Piano, Op. 40: II. Allegro
Carmina Burana: Fortunae plango vulnera (I bewail the wounds of fate)
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Adagio in G Minor for Strings and Organ, "Albinoni's Adagio"
Symphonie Fantastique, Op. 14, "Episode de la vie d'un artiste": IV. Marche au Supplice (March to the Scaffold)
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Lemminkäinen Suite, Op. 22: The Swan of Tuonela: Andante molto sostenuto
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Concerto Grosso No. 8 in G Minor, Op. 6, "Christmas Concerto": Allegro
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Concerto in D Minor for Oboe and Strings, Op. 1: II. Adagio
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Toccata and Fugue in D Minor for Organ, BWV 565
Symphony No. 7 in A Major, Op. 92: II. Allegretto
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Sonata No. 14 in C-Sharp Minor for Piano, Op. 27:2, "Moonlight": III. Presto agitato
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The Planets, Op. 32: Neptune, the Mystic
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The 35 Most Evil Pieces of Classical Music
Five Orchestral Songs on Postcard Texts of Peter Altenberg, Op. 4: I. Song No. 1
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Totentanz (Dance of Death) for Piano and Orchestra, S. 126
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Symphonie Fantastique, Op. 14, "Episode de la vie d'un artiste": V. Songe d'une nuit du sabbat (Dream of a Witches' Sabbath)
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Requiem Mass in D Minor, K. 626: III. Sequentia: Dies irae
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Symphony No. 2 in C Minor, ‘Asrael’, Op. 27: V. Adagio e maestoso
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Concerto No. 3 in D Minor for Piano and Orchestra, Op. 30: I. Allegro ma non troppo
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Concerto No. 2 in G Minor for Piano and Orchestra, Op. 22: III. Presto
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Dixit Dominus in G Minor, HWV 232: VIII. De torrente in via bibet
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Symphony No. 8 in C Minor (Apokalyptische): Allegro moderato
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Romeo and Juliet, Suite No. 2, Op. 64c: Montagues and Capulets
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Le carnaval des animaux (The Carnival of the Animals) for Chamber Ensemble: VII. Aquarium
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Fantasy for Orchestra, "A Night on the Bare Mountain"
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Carmina Burana (Cantiones Profanae), Fortuna Imperatrix Mundi: II. Fortunae plango vulnera (I bewail the wounds of fate)
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Die Walkürie (The Valkyrie), Act 3: Ride of the Valkyries
The Tale of Tsar Saltan, Op. 57: Flight of the Bumblebee
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Fantaisie Impromptu in C-Sharp Major, Op. 66: Allegro agitato
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Concerto in D Minor for Violin and Strings, BWV 1052R (after Keyboard Concerto No. 1 in D Minor): I. Allegro
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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 1 in E Major, RV 269, "Spring" (La primavera): I. Allegro
The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 1 in E Major, RV 269, "Spring" (La primavera): II. Largo e pianissimo sempre
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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 1 in E Major, RV 269, "Spring" (La primavera): III. Danza pastorale: Allegro
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Two Elegiac Melodies, Op. 34: II. Last Spring
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Symphony No. 1 in B-Flat Major, Op. 38, "Spring": I. Andante - Allegro
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The Planets, Op. 32: Jupiter, the Bringer of Jollity
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Wilhelm Tell (William Tell): Overture (excerpt)
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Impromptu No. 3 in G-Flat Major, D. 899, Op. 90
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Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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Tritsch-Tratsch-Polka (Gossip Polka), Op. 214
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Die Zauberflöte (The Magic Flute), K. 620: Overture
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Sonata No. 5 in F Major for Violin and Piano, Op. 24, "Spring": I. Allegro
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Symphony No. 6 in F Major, Op. 68, "Pastoral": I. Awakening of Happy Feelings upon Arrival in the Country: Allegro ma non troppo
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Serenade No. 13 in G Major, K. 525, "Eine Kleine Nachtmusik": Allegro
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Baal Shem (version for Violin and orchestra): III. Simchas Torah (Rejoicing)
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Music for the Royal Fireworks, HWV 351: III. La Réjouissance
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The Drottningholm Music: I. Allegro assai
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Sonata for Two Pianos in D Major, K. 448: I. Allegro con spirito
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Recorder Concerto in C Major, RV 443: I. Allegro
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Keyboard Concerto in D Major, Hob. XVIII:11: III. Rondo all´Ungarese (Allegro assai)
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String Symphony No. 2 in D Major, MWV N 2: III. Allegro vivace
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Flute Concerto in D Minor, Wq. 22: III. Allegro assai (Arr. for Harpsichord)
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Cello Concerto in A Major, Wq. 172: III. Allegro assai
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Concerto No. 2 in C Minor for Piano and Orchestra, Op. 18: II. Adagio sostenuto
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Sonata No. 14 in C-Sharp Minor for Piano, Op. 27:2, "Moonlight": II. Allegretto
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Peer Gynt Suite No. 1, Op. 46: IV. I Dovregubbens hall (In the Hall of the Mountain King)
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The Only Christmas Album You'll Ever Need
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Aladdin Suite, Op. 34, FS 89: I. Oriental Festival March
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A Classical Encyclopedia: N as in Nature
Forgotten Melodies I, Op. 38: I. Sonata Reminiscenza
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