Frederic Anthony Rzewski ( ; April 13, 1938 – June 26, 2021) was an American composer and pianist, considered to be one of the most important American composer-pianists of his time. From 1977 on, he l
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28b372d1343d225b01d4f284b7dd9068bfd0ac3c5ed327cc21949d3f16fc762. 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/121fb182-8c58-4208-bbe3-277490a2b7ee.json and https://artists.proofprofile.net/proofs/artist/121fb182-8c58-4208-bbe3-277490a2b7ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rzewski: Four Pieces, Which Side Are You On?
The People United Will Never Be Defeated!
The People United Will Never Be Defeated
Frederic Rzewski: Antigone-Legend; Jefferson
Rzewski: The People United Will Never Be Defeated!
The People United Will Never Be Defeated! (1975): Theme. Tempo I
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf1b3354e1bd2c800ac197dc5c56779a86c0b5623bfef6fbfd288baea7aa837. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9907739.
Rzewski: Fred - Music of Frederic Rzewski
Rzewski Plays Rzewski: Piano Works, 1975 - 1999
Rzewski, F.: The People United Will Never Be Defeated
The People United Will Never Be Defeated - 36 variations on "el pueblo unido jamás será vencido"
Frederic Rzewski: The People United Will Never Be Defeated
The People United Will Never Be Defeated - 36 Variations On "El Pueblo Unido Jamás Será Vencido"
The People United Will Never Be Defeaded
Frederic Rzewski: The People United Will Never Be Defeated!
Rzewski: The People United Will Never Be Defeated! (36 Variations on "¡El Pueblo Unido Jamás Será Vencido!")
Frederic Rzewski: 4 Pieces, Hard Cuts & The Housewife's Lament
Frederic Rzewski: The People United Will Never Be Defeated & 4 Hands
The People United Will Never Be Defeated: Theme: With determination
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f63daa4f37c336e8769d39b7744442d9401d022dcf0ff2544ca5da0825e8d8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1067001.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Thema. With determination
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb4d28ecd1fc415486ea61413dd9b8260ebf2bd357efc2a3fed51ec4a1d3d124. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505527.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 1 - Weaving, delicate but firm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dbb167130ffa6540e3761b2d7d51979b141b24dff00e59a56f87852c04d6ce6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505528.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 3 - Slightly slower, with expressive nuances
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db32a43f3d33c70913e8537036e6f84c1cff2e9dc5960257cbcc6e581fb593d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505530.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 5 - Dreamlike, frozen, a little slower, Tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a3896603c128223659ada8e4f8bda97dca23b98012d54dd16a3f77104929a7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505532.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 6 - Same tempo as beginning, Slower, Tempo, Slower
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8218bfa4a25f332741735a7522d147c521081c6e9c7d3b469d960c4a35a97dda. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505533.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 10 - Comodo, recklessly
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52aec3fdf9275c8486f005face1cf10ca700e12dffa2e38fbec626233aa73191. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505537.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 12
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3e5a13cfa8979bdbf7e0243569d2c6a208bf195f4e3c527ac4a6d251db0a76. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505539.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 14 - A bit faster, optimistically
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72144dbb68355df854735b0bbd705c4ef44f2e98346030301647b7dfbbb3d775. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505541.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 19 - With energy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d87e9ae6d47359cc9c8d94597f1b9f076e6a89119792d2e9622ca38744a5d26. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505546.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 21 - Relentless, uncompromising
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x292985a7a7f7001248e7ea01b7a8c33de5736ee82907995d83b59eee2a73708c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505548.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 22 - Very expressionate
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc223ac021217e8a472cf8c84338fa7db810e5b535e162ab3dab0b6a805d07c99. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505549.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 25
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x789e35da6d1d6d0d75dd3fdc9dc7e280d195ed47f9ee2f75f00d05c74f8cc0ed. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505552.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 29
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a78e3dc22cabfab5db37740e740c666fd535f70b0c9ceeee8a6eb2a63e8430. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505556.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 30
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e420f1e6c4bd603a574ad89c7431c2d2b65a1ecc5928b72e1fc740c988fd866. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505557.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 33
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b9be1c0af9e1f47c2dffcd92c0179eecdc5254d36cddead732bab336ebd799b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505560.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 35
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55d9e2a22ed4440fb28e09a1bdd6df464aa9057d6acebb2717d2399d27b70e8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505562.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Thema. Tempo I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28ffceff6232fa5a6b46221653168b321a21a5cdc93ba9683a6260a56b7d425b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505564.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 2 - With firmness
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e69a355f2f1323329cea6a92816e7206048a310f49e96a8ddbcf0669bc6ac90. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505529.
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
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 4 - Marcato, with determination
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x352d871abeeeb6df857560f405af2152f6ef8b5593dce8eae983c0fad0e02204. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505531.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 7 - Tempo (Lightly, impatiently)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6651963ff70bac689274821c96da787967c804ea6affb6a2f119c196e63e69c7. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505534.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 8 - With agility, not too much pedal, crisp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8db5a2198914e9332a5a7deaca2e84a70c8d30a5abd7a5ec23b97fbda4879d15. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505535.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 9 - Evenly
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc26fb319f473815ae0b25bb382b07659f1d914f69a1fa0d8eeff395df753db0. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505536.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 11 - Tempo I. Like fragments of an absent melody, in strict time
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee6f0404830a0eadbdd32bd6e8da50fa03c88db0a848353bc7626485693a8623. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505538.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 13
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb22b5b9dd024e335884d2dbb07d98c13c29564f193904ffbc812a85cc1ca55. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505540.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 15 - Flexible, like an improvisation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9500b55e5933cb4633ebcee7ff83c5dfd4ef79f1744dbeda9b1df0ceebc7e654. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505542.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 16 - Same tempo as preceding, with fluctuations, much pedal, expansive, with a victorio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31581fef9e3a6350e3b29f5a1dbd19838251ad91832a0f88a7659b968b8a0c79. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505543.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 17 - Left hand strictly. Right hand freely, roughly in space
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa70aec584018c01a0b25b2d5bf3dac368f0509e07f81773eccd9bd5ff34dd9d8. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505544.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 18
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903e264e9532308b6f97a053b4cff803d8e6143fd4fdcf1e44004cacf33b6778. Chain 2 (Bitcoin): anchored in block 960161 (2026-07-29T22:51:26Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505545.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 20 - Crisp, precise
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bbfda000a5433f2943581b6c7e439c69dba5da88881c6b0f3030478abf19a35. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505547.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 24
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b78c00d9bef758bf1b1b171c56138635f1127c0d4c2cf7b5b890c45b009b4c. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505551.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 26 - In a militant manner
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611b6f7e26bcac3521d249a99c02ba2763463b2a78b1cc548f1b7b662d7db99d. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505553.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 27 - Tenderly, with a hopeful expression, Cadenza, Fiercely
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb922cbb0cd76e8b518b51ec02c95796382a4712ee46181b807e5c408083199c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505554.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 28
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f2be8d2e8b285c6a2812e193f1fb11b62939ec600ee12aa2798ef699ecc539. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505555.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 31
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe044ccacd877ea25a7b721aec411b98f89cb6df3b70be34035d5e1c2e5cf7e4d. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505558.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 32
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b7a50ed64790485d447077fa5f8c927cf69e0085da1e411d8447ac1e3eef34. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505559.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 34
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd44ea03d42e4f7a027ec2eb160337b36fe8ef5be44df1cde82d93ff08e1cc81. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505561.
The People United Will Never Be Defeated! - 36 Variations on ¡El pueblo unido jamás será vencido!: Var. 36 - Improvisation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54284bc98bffc26068441473d7c68a5df2337def0d8adb3a01e682c82c8c016a. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505563.
Sometimes: III. Lullaby (God to Hungry Child)
Rzewski: The People United Will Never Be Defeated
North American Ballads: No. 4, Winnsboro Cotton Mill Blues (Live)
Speaking Rzewski (Pieces for Speaking Pianist Performed by Stephane Ginsburgh)
Frederic Rzewski: No Place to Go but Around
The People United Will Never Be Defeated: Thema. Tempo I
The People United Will Never Be Defeated: Variation 15 - Flexible, Like an Improvisation
Rzewski: Let It Shine - Winnsboro Cotton Mill Blues
Rzewski: 4 Pieces, Squares, 6 North American Ballads
Rzewski: The People United Will Never Be Defeated! (Live)
Frederic Rzewski: THE PEOPLE UNITED WILL NEVER BE DEFEATED! ／ SIX NORTH AMERICAN BALLADS
フレデリック・ジェフスキ: 「不屈の民」変奏曲／ノース・アメリカン・バラード〈全6曲〉
Rzewski: The People United Will Never Be Defeated! 36 Variations on ¡El Pueblo Unido Jamás Será Vencido!: Var. XIII
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa89ae83da3dcf4770e9534f2799e55e722b4d9b58c47207dae3116ac72fa7aef. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0867501.