Karl August Leopold Böhm (28 August 1894 – 14 August 1981) was an Austrian conductor. He was best known for his performances of the music of Mozart, Wagner, and Richard Strauss. Life and career Edu
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 0xe0a153df7f4e52420a77f933907f60de1e89904c636c59aa4e3728e3259f0f72. 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/1be3612b-b8cf-4cb1-b308-4c32ea75e071.json and https://artists.proofprofile.net/proofs/artist/1be3612b-b8cf-4cb1-b308-4c32ea75e071.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Mozart: Symphonies No.41 "Jupiter" & No.40
Mozart: Così fan tutte, K. 588: Sinfonia
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 0x4cc9a376f96d038f4235d9e24d4eef1cb7b7fa7b93e2503925c86b3c2beafcf5. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001035 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Finale. "Ah, che tutto in un momento" (Fiordiligi, Dorabella, Ferrando, Guglielmo, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1260825a9e22c7bc59272d2565d5646227bb5958379ccb4daeecb43b6c40afcb. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001069 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Terzetto. "La mia Dorabella capace non è" (Ferrando, Guglielmo, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75d4aaf7955e48926e809412bd89791d9cad49b07ca1d3d82cb20449ca8f19b. 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/GBAYC0001036 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Finale. "Ah che del sole il raggio" (Fiordiligi, Dorabella, Ferrando, Guglielmo, Don Alfonso, Despina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc030e0c957c48a46051fc47f89bb2fabe5ae27b68eacaeef9f197b51fb9783dc. 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/GBAYC0001070 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Fuor' la spada, scegliete" (Guglielmo, Don Alfonso, Ferrando)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267461ee836d47253d6f720d93703e542a688fb2a166dfea5ee3a2849d03f7a7. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/GBAYC0001037 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Finale. "Eccovi il medico" (Don Alfonso, Ferrando, Guglielmo, Despina, Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d276326918aa1508a1ef5a57bf255cef1bb57782fdbb333ce4c0acbdd3da5b. 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/GBAYC0001071 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Terzetto. "È la fede delle femmine" (Don Alfonso, Ferrando, Guglielmo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3e20cec00acc4b2b40e2b7b8bbbdbf4f5177f1fdd148323bea9b4b56498043. 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/GBAYC0001038 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Finale. "Dove son? Che loco è questo?" (Ferrando, Guglielmo, Despina, Don Alfonso, Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1df00309105a25505e3ca6156551f9115d4d16dd32f44cf941217fb93ed488e. 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/GBAYC0001072 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Scioccherie di poeti!" (Ferrando, Guglielmo, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dfcb538751c2b23c58becc7b3e0d2469d9e7394cb123a97650485636765983f. 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/GBAYC0001039 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Dammi un bacio, o mio tesoro" (Ferrando, Guglielmo, Fiordiligi, Dorabella, Despina, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x901a44ea0f73409ad28612fe09a3c3afa8a06ea90d2f4a3c65521790cef04a3c. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/GBAYC0001073 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Terzetto. "Una bella serenata" (Ferrando, Guglielmo, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9364e877e5eaff2382808cc26df15084c22264a4295fb4780dfd1854c0cce259. 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/GBAYC0001040 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Recitativo. "Madame, trattar l'amore en bagatelle" (Despina, Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d8cfbefc96a7f3358ec4db4e6ee736fbab29f02ef97439814706eec7186e514. 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/GBAYC0001074 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Duetto. "Ah guarda, sorella" (Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5986e5c8b789cc670f19bc8c50ded6f055a5afba7aad6b0a3d2636ae33210919. 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/GBAYC0001041 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Aria. "Una donna a quindici anni" (Despina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x945783c14d89112233463d84589b9d0311635671081b33a395565addf4d4b7f1. 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/GBAYC0001075 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Mi par, che stamattina volentieri" (Fiordiligi, Dorabella, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9617a5428a98a88fd29ef603611c96c54ee83eca4e48190d85e6bf0a6fe8c0cb. 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/GBAYC0001042 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Recitativo. "Sorella, cosa dici?" (Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40070e82ac53ca0030519d3e446321f7c05d398e90aeadaaad68cd1d854d97a4. 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/GBAYC0001076 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Barbaro fato!" - Aria. "Vorrei dir, e cor non ho" (Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7952a890c829fae7fe408572e1151522da96c980cd09eda96b2ce726b9c6cf00. 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/GBAYC0001043 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Duetto. "Prenderò quel brunettino" (Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61c0cbe2fcc12fe1a5554f5c9da7c2e27da0ea1d9c707374842cd751d88e118. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), registered by our 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/GBAYC0001077 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Stelle! Per carità, Signor Alfonso" (Fiordiligi, Don Alfonso, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d0b8532672165336511759d93488e437c51db9781f193b1619ae5fb0dfcfc5. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001044 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Duetto con coro. "Secondate, aurette amiche" (Ferrando, Guglielmo, Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8784f85fc257b932eec34a2e9f8796afdeb759af7bbe070c538198efffb54063. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001078 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Quintetto. "Sento, o Dio, che questo piede" (Guglielmo, Ferrando, Don Alfonso, Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06fa35c4ddbeac32878b70bae8ae828fd624d69db91f55343ed74b8c0ae851b1. 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/GBAYC0001045 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Recitativo. "Cos'è tal mascherata?" (Fiordiligi, Dorabella, Despina, Ferrando, Guglielmo, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b37c95535445f5a049cb90cc0945354ea857ed9f7dc1f408f1f962670e8cfee. 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/GBAYC0001079 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Quartetto. "La mano a me date" (Don Alfonso, Ferrando, Guglielmo, Despina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdee79b2d7f1664ada68a9ffa5fabccc55371451ca3eba0657b1cc5f66552d1cc. 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/GBAYC0001080 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Coro. "Bella vita militar!" (Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x544e2d2e346a28296cb760093c1888f4c52eba2c35959d4f64a9a99ad779bd26. 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/GBAYC0001047 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Recitativo. "Oh che bella giornata!" (Fiordiligi, Ferrando, Dorabella, Guglielmo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26ffb755e3b21d32cf9b1932f7fe1b823c6336ff89af0b10a8de549dc304aa1a. 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/GBAYC0001081 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Duetto. "Il core vi dono" (Guglielmo, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e5e40bf6bbeb77feb1986cabbe1661b50970166a18b74c612ac4daff75184d. 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/GBAYC0001082 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Recitativo accompagnato. "Barbara, perchè fuggi?" (Ferrando, Fiordiligi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228f7b68d31a06b05bf1540df97152221bc52f1e6ac7df642cd628bd0086a4b5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001083 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Coro. "Bella vita militar!" (Coro) [Reprise]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bb071636032cd6cbd9fb9b196fc0fd57115202b3e38dd11423b32a096a3dd5a. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), registered by our 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/GBAYC0001050 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 2: Recitativo accompagnato. "Ei parte, senti, ah no!" (Fiordiligi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc95f5e08c97b6cb25c39fce03f43e600a67f8b6525ef2d9988672b896481d77c. 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/GBAYC0001084 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Dove son?" (Dorabella, Don Alfonso, Fiordiligi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba80330bd7e5de81e87369321f8f53af48957f0bd473c98ede2771e668d618e6. 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/GBAYC0001051 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Terzettino. "Soave sia il vento" (Fiordiligi, Dorabella, Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a410bb23eec4e62fed10d09e13537499c47e51415e925f8855e701e76af512. 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/GBAYC0001052 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Non son cattivo comico" (Don Alfonso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3beabc3082a3d6f463679e65d9483dc1e0088ae1eab760de58c02a7beaeb6fae. 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/GBAYC0001053 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Che vita maledetta è il far la cameriera" (Despina, Fiordiligi, Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a60722e33eeb14884cc2f9fc72280a06102fba404a99daaf02a355d4d9b12b0. 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/GBAYC0001054 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo accompagnato. "Ah, scostasti!" (Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x326cdeb8827ba122cceac916aac7f172d7eff69a64f1aa4d57dfca3c723954c4. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001055 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Aria. "Smanie implacabili che m'agitate" (Dorabella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7535da2516de886d8701595fe8c5e0b748e81cfbbc1470133d7138d914ec8a2d. 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/GBAYC0001056 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Signora Dorabella, Signora Fiordiligi" (Despina, Dorabella, Fiordiligi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ebac782e062e84412c7ef4f697cb94c9bc39dfc8a0ba34391d03de69fbaca90. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001057 — a six-check JSON result.
Mozart: Così fan tutte, K. 588, Act 1: Aria. "In uomini, in soldati" (Despina)
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Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Che silenzio! Che aspetto di tristezza" (Don Alfonso, Despina)
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Mozart: Così fan tutte, K. 588, Act 1: Sestetto. "Alla bella Despinetta" (Don Alfonso, Ferrando, Guglielmo, Despina, Fiordiligi, Dorabella)
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Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Che sussurro! Che strepito" (Don Alfonso, Dorabella, Fiordiligi, Ferrando, Guglielmo, Despina)
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Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "L'intatta fede che per noi già si diede" (Fiordiligi)
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Mozart: Così fan tutte, K. 588, Act 1: Aria. "Come scoglio" (Fiordiligi)
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Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "Ah, non partite!" (Ferrando, Guglielmo, Don Alfonso, Dorabella, Fiordiligi)
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Mozart: Così fan tutte, K. 588, Act 1: Aria. "Non siate ritrosi, occhietti vezzosi" (Guglielmo)
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Mozart: Così fan tutte, K. 588, Act 1: Terzetto. "E voi ridete?" (Don Alfonso, Ferrando, Guglielmo)
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Mozart: Così fan tutte, K. 588, Act 1: Recitativo. "La cagion di quel riso?" (Don Alfonso, Guglielmo, Ferrando)
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Mozart: Così fan tutte, K. 588, Act 1: Aria. "Un'aura amorosa del nostro tesoro" (Ferrando)
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Bizet: Carmen, WD 31 (Sung in German) [Live]
Mozart, Einem, Wagner & R. Strauss: Opera Arias
Wagner: Tristan und Isolde, WWV 90 (Live)
Mozart: Don Giovanni, K. 527 (Sung in German) [Recorded 1955] [Live]
Tannhäuser / Act 2: "Freudig begrüßen wir die edle Halle"
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Der fliegende Holländer / Act 3: "Steuermann, lass die Wacht!" (nur Chor)
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Die Meistersinger von Nürnberg, WWV 96 / Act I: "Da zu dir der Heiland kam"
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Parsifal, Act I: Nun achte wohl und laß mich seh'n
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Parsifal, Act III: Höchsten Heiles Wunder!
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Wozzeck, Op. 7 / Act 3: Verwandlung - Orchester-Überleitung
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Wozzeck, Op. 7 / Act 3: Tanzt Alle; tanzt nur zu...!
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Wozzeck, Op. 7 / Act 1: "Du, der Platz ist verflucht!"
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Wozzeck, Op. 7 / Act 3: Dort links geht's in die Stadt
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R. Strauss: Eine Alpensinfonie, Op. 64, TrV 233
Schumann: Piano Concerto in A Minor, Op. 54
Beethoven: Fidelio (Live Recording 1960)
Fritz Wunderlich - Und es blitzten die Sterne
Tosca / Act 3: "Und es blitzten die Sterne"
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Nabucco, Act III: Va, pensiero, "Chorus of Hebrew Slaves"
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Il trovatore, Act II: Vedi, le fosche notturne
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Tristan und Isolde, WWV 90: Prelude - Live at Bayreuther Festspiele / 1966
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Tristan und Isolde, WWV 90 / Act II: Prelude - Live at Bayreuther Festspiele / 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06787d66b4be0d7b419306d7e793957f5cc03eaa0fb09dd0cf2253f660c356af. 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/DEF056630224 — a six-check JSON result.
Tristan und Isolde, WWV 90 / Act I: "Westwärts schweift der Blick" - Live at Bayreuther Festspiele / 1966
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Tristan und Isolde, WWV 90 / Act I: "Frisch weht der Wind der Heimat zu"
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Tristan und Isolde, WWV 90 / Act I: "Weh, ach wehe! Dies zu dulden" - Live at Bayreuther Festspiele / 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324517f31c061bdfb2cfbc70f6b8d994d6c0e09962785d2fa8fc6400f1d35ba5. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/DEF056630220 — a six-check JSON result.
Tristan und Isolde, WWV 90 / Act II: "O sink hernieder, Nacht der Liebe" - Live at Bayreuther Festspiele / 1966
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Tristan und Isolde, WWV 90 / Act I: "Herr Tristan trete nah!" - "Begehrt, Herrin, was Ihr wünscht"
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Tristan und Isolde, WWV 90 / Act I: "Tristan! - Isolde! Treuloser Holder!"
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Tristan und Isolde, WWV 90 / Act III: Mild und leise wie er lächelt - Live at Bayreuther Festspiele / 1966
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Le carnaval des animaux, R. 125: I. Introduction
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Le carnaval des animaux, R. 125: II. Poules et Coqs
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Le carnaval des animaux, R. 125: III. Hémiones
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Le carnaval des animaux, R. 125: IV. Tortues
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Le carnaval des animaux, R. 125: V. L'Eléphant
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Le carnaval des animaux, R. 125: VI. Kangourous
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Le carnaval des animaux, R. 125: VII. Aquarium
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Le carnaval des animaux, R. 125: VIII. Personnages à longues oreilles
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Le carnaval des animaux, R. 125: IX. Le coucou au fond des bois
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Le carnaval des animaux, R. 125: X. Volières
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Le carnaval des animaux, R. 125: XI. Pianistes
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Le carnaval des animaux, R. 125: XII. Fossiles
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Le carnaval des animaux, R. 125: XIII. Le cygne
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Le carnaval des animaux, R. 125: XIV. Finale
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Prokofiev: Peter und der Wolf / Saint-Saëns: Der Karneval der Tiere
Peter und der Wolf, Op. 67: I. Vorspiel: Peter und der Wolf – ein musikalisches Märchen
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Peter And The Wolf, Op. 67: Andantino (Früh am Morgen öffnete Peter)
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Peter And The Wolf, Op. 67 - Narration In German: Der Vogel: "Auf einmal bemerkte Peter etwas, er sah, wi e die..."
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Peter And The Wolf, Op. 67 - Narration In German: Die Ente: "Und tatsächlich! Kaum war Peter fort, da kam aus..."
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Peter And The Wolf, Op. 67 - Narration In German: Die Katze: "Und so sah es nun aus: Die Katze sass auf dem..."
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Peter And The Wolf, Op. 67 - Narration In German: Der Großvater: "Nun aber, nun kamen die Jäger aus dem Wald"
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Peter And The Wolf, Op. 67 - Narration In German: Der Wolf: "Und nun stellt euch den Triumpfzug vor!"
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Le Carnaval des Animaux: "Niemand hätte..." - Nr. 1 Königlichen Marsch der Löwen
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Le Carnaval des Animaux: "Der Löwe hat.."- Nr.2 Hühner und Hahn
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Le Carnaval des Animaux: "Die Hühner eilen..." - Nr. 3 Wilde Esel
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Le Carnaval des Animaux: "Bravo, applaudieren die ..." - Nr.4 Schildkröten
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Le Carnaval des Animaux: "Der Mehlwurm wirft den Schildkr." Nr. 5 Der Elefant
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Le Carnaval des Animaux: "Na, was sagen Sie nun?" - Nr.6 Känguruhs
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Le Carnaval des Animaux: "Ein verspätetes Nilpferd..." - Nr.7 Das Aquarium
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Le Carnaval des Animaux: "Und wäh.."-Nr.8 Persönlichkeiten mit langen Ohren
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Le Carnaval des Animaux: "Ein Murmeltier hat sich die Ohren.." Nr.9 Der Kuckuck
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Le Carnaval des Animaux: "Der Kuckuck ist verstummt, und.." Nr.10 Das Vogelhaus
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Le Carnaval des Animaux: "Und,husch,wie sie kamen,..." Nr.11 Die Pianisten
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Le Carnaval des Animaux: "Noch während die Eichhörnchen.." Nr.12 Die Fossilien
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Le Carnaval des Animaux: "Nach freundlichem Beifall..." Nr. 13 Der Schwan
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Le Carnaval des Animaux: "Da capo! applaudiert ein ..." Nr. 14 Finale
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R. Strauss: Also sprach Zarathustra; Don Juan; Till Eulenspiegel
Mozart: Die Zauberflote K620 - Highlights
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Die Zauberflöte, K. 620, Act I: No. 1, Zu Hilfe! Zu Hilfe!
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Die Zauberflöte, K. 620, Act I: No. 2, Der Vogelfänger bin ich ja
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Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön
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Die Zauberflöte, K. 620, Act I: No. 4, O zittre nicht, mein lieber Sohn!
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Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
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Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris
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Die Zauberflöte, K. 620, Act II: No. 13, Alles fühlt der Liebe Freuden
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Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
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Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen
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Die Zauberflöte, K. 620, Act II: No. 16, Trio. Seid uns zum zweiten Mal willkommen
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Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's
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Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne "Chorus of the Priests"
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Die Zauberflöte, K. 620, Act II: No. 20, Ein Mädchen oder Weibchen
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: g. Duet. Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: i. Die Strahlen der Sonne – Heil sei euch
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Beethoven: Symphonies Nos. 1 - 9; 5 Overtures
Symphony No. 4 In B Flat, Op. 60: 1. Adagio - Allegro Vivace
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Symphony No. 6 in F Major, Op. 68 "Pastoral": I. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande. Allegro ma non troppo
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Symphony No. 7 In A, Op. 92: 1. Poco sostenuto - Vivace
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Symphony No. 9 In D Minor, Op. 125 - "Choral": 1. Allegro ma non troppo, un poco maestoso
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Symphony No. 1 In C, Op. 21: 1. Adagio molto - Allegro con brio
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Symphony No. 3 In E Flat, Op. 55 -"Eroica": 2. Marcia funebre (Adagio assai)
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Symphony No. 4 In B Flat, Op. 60: 2. Adagio
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Symphony No. 6 in F Major, Op. 68 "Pastoral": II. Szene am Bach. Andante molto mosso
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Symphony No. 7 In A, Op. 92: 2. Allegretto
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Symphony No. 9 In D Minor, Op. 125 - "Choral": 2. Molto vivace
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Symphony No. 1 In C, Op. 21: 2. Andante cantabile con moto
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Symphony No. 3 In E Flat, Op. 55 -"Eroica": 3. Scherzo (Allegro vivace)
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Symphony No. 6 in F Major, Op. 68 "Pastoral": III. Lustiges Zusammensein der Landleute. Allegro
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Symphony No. 9 In D Minor, Op. 125 - "Choral": 3. Adagio molto e cantabile
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Symphony No. 1 In C, Op. 21: 3. Menuetto (Allegro molto e vivace)
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Symphony No. 4 In B Flat, Op. 60: 4. Allegro ma non troppo
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Symphony No. 6 in F Major, Op. 68 "Pastoral": IV. Gewitter, Sturm. Allegro
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Symphony No. 9 In D Minor, Op. 125 - "Choral": 4. Presto - Allegro assai
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Symphony No. 1 In C, Op. 21: 4. Finale (Adagio - Allegro molto e vivace)
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Music To Goethe's Tragedy "Egmont", Op. 84
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Symphony No. 6 in F Major, Op. 68 "Pastoral": V. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm. Allegretto
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Symphony No. 9 In D Minor, Op. 125 - "Choral": 4. Presto - "O Freunde nicht diese Töne" -
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Symphony No. 8 In F, Op. 93: 2. Allegretto scherzando
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Symphony No. 2 In D, Op. 36: 2. Larghetto
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Symphony No. 5 in C Minor, Op. 67: III. Allegro
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Symphony No. 5 in C Minor, Op. 67: IV. Allegro
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Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
Die Meistersinger von Nürnberg, WWV 96: Silentium! Silentium!
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Lohengrin, WWV 75 (Highlights): Gesegnet soll sie schreiten
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Carmen, WD 31 (Highlights Sung in German): Diese Menge, im Gedrange!
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Carmen, WD 31 (Highlights Sung in German): Habanera. Ja, die Liebe hat bunte Flügel
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Operas and Operettas - Donizetti, G. / Lehar, F. / Kalman, E. / Boito, A. / Puccini, G. / Bellini, V. / Mozart, W.A. (Festival of the Primadonnas)
Johannes Brahms: Symphony No. 1 & H. Vieuxtemps: Violin Concerto No. 5
Tristan und Isolde, WWV 90, Act I: Act I: Prelude
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Don Giovanni, Wozzek, Fidelio, Frau ohne Schatten, Lohengrin, Cosi fan tutte, Nozze di Figaro, Rosenkavalier, Parsifal, Falstaff & Capriccio
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Le nozze di Figaro, K. 492, Act I: No. 2, Duet. Se a caso madama la notte ti chiama
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Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
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Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
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Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
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Le nozze di Figaro, K. 492, Act I: No. 10, Non più andrai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf58e12568caad2508140870c3f015e1bc72d866858d6a508b191066a47d478c7. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), registered by our 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/DEF056830108 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d3c17558ae6002f7e874bf92541a74bf6250510695503e2bf95b4365304798. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/DEF056830109 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9abdef85adf9912748223a2c4e1a5e70b32c807391100d0aa5775ad7836117ce. 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/DEF056830110 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b39513751dd2644e860dbc0311ebd4c130003d5b97e0c5dd725145dc97e21e. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/DEF056830111 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act III: No. 18, Vedrò mentr'io sospiro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2181107f648bba1f6a0a26a34646262b47d637dcb3abd3171e1617e82e67a0. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/DEF056830184 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act III: No. 20a, E Susanna non vien!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ccfffce231989b5d446f7d6f2d4a0b75d27e6ddba5ad829ed9870b8fc1f308f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830160 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act III: No. 20b, Dove sono i bei momenti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1960a14e1c150391f9597e7d7e5a5581498b7ea3ce1ff51ca80eef52c1b02a1. 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/DEF056830161 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act III: No. 21, Sull' aria... Che soave zeffiretto "Letter Duet"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2571e35f8bb7ddffa9fbbbdace6d7387632712a251a3e5904657b7624150fce7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DEF056830114 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act IV: No. 24, L'ho perduta, me meschina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e5da1bb258ab204e7fcf28ed470e5c72f51b0ef3dd090f60a14a94ecfd622ba. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830115 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act IV: No. 27, Aprite un po' quegl' occhi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x334378258061b55b4069e4cc0a1d25a191b442129e487e7f96d8a9e2ae183910. 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/DEF056830175 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act IV: No. 28a, Giunse alfin il momento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8311c5ac35fad9d67d1d530630329757cb4c2fbd44b835415463a71239f6b43. 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/DEF056830177 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act IV: No. 28b, Deh vieni, non tardar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6cea390ce33f31f21654a0adc765f018e9841f581fc4709438de24fa0e8df9f. 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/DEF056830178 — a six-check JSON result.
Le nozze di Figaro, K. 492, Act IV: No. 29e-g, Finale. Gente, gente, all'armi... Questo giorno di tormenti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb0326f164ec3447479141e880d428d2b6c66508e3bf805045c3dc56d687c35. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), registered by our 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/DEF056830118 — a six-check JSON result.
Richard Strauss: Elektra, Op. 58, TrV 223 (Recorded 1955)
Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral" (Live)
Mozart: Symphony No. 40 / Beethoven: Piano Concerto No. 4
Strauss: Die schweigsame Frau, Op. 80, TrV 265 (Live)
Così fan tutte, K. 588, Act I: Un'aura amorosa (Ferrando)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb175bed5892f8b2c0b3b2bbcb06ab692f6fbc7b4770132ef21ee4aa260f31546. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100340 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb982bce7c579bf9b402fd354eb9eea598394f35070d3c57c73d9437dd8e822e3. 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/DEF057409213 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b7a3ddb6ac299bb7c37ef6f40624ec1d295bcf4c1b9311097fc7fbddb5aa27. 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/DEF057400393 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432f527c95f382372d823d6ecd0d0f2fa91bf554228fbc1d9dc2b5bf976feeef. 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/DEF057402616 — a six-check JSON result.