Lawrence Zazzo (born December 15, 1970) is an American countertenor who has performed at major opera houses in Europe and the US. His repertoire includes Baroque opera and oratorios as well as works o
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 0x7d20312074de3619ef8444d9cb3210ed83f4a8629b7361a4570c4a6f76aae6d0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5e53a56-4d10-4e33-ac58-2559274715e6.json and https://artists.proofprofile.net/proofs/artist/c5e53a56-4d10-4e33-ac58-2559274715e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Siroe, re di Persia, Sinfonia: I. Allegro
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a38aa27699e6814efc7d674d11ac56959e7fc70434fdf553e371295f3c4820b. 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/DEE471900153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54768fdead58631ed62f7ad46ecd952727b3237c25179ab425c2621e434e1fac. 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/DEE471900169.
Orlando furioso, RV 728: Nel profondo cieco mondo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0f2d187c3e4d82d35180433a296aadf83474613ae9e343812b06d8416b56b5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE471900165.
A Royal Trio: Arias by Handel, Bononcini & Ariosti
Athalia - Oratorio in three Acts, HWV 52: Act I: Gigue
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d294645f716270cd545d7a96e1fc2414fcaf5ec36fa290046e6744f1fdc17ce. 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/DEE471000164.
Athalia - Oratorio in three Acts, HWV 52: Act I: Allelujah (Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15700752797075eef78b1cb429108ae37dbe023db9969051213900683e3d755b. 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/DEE471000186.
Stabat Mater in F Minor: I. Stabat mater dolorosa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04b8644c149e00505b91e8a29d389fc2c2eb7b57af8e0f3a27e9977df951b3dc. 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/NLY330604217.
Stabat Mater in F Minor: III. O quam tristis et afflicta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f363546ed6fa273fe17b3c3afb438f1cb005eb1dde91b365b2e46c3d583864f. 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/NLN580591571.
Stabat Mater in F Minor: VII. Eja mater fons amoris
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff02277ce95a9e653e220753d44f1c8ec7f541ced94d78b5277062185fb6bdc5. 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/NLN580591575.
Stabat Mater in F Minor: XI. Sancta mater, istud agas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c54d9de77a5cb74466a807a02854208217dde78c198d8120bb46eb80ca43c2. 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/NLN580591577.
Stabat Mater in F Minor: XI. Inflammatus et accensus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee664d8b7ddd3d785b85de7d1cb21cc6b52d6b2f815e19fdadc4ce8ed9a812ee. 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/NLN580591579.
Stabat Mater in F Minor: II. Cujus animam gementem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa83c07d7f5c60b46bb00aa24a73d997c33f030e5302f4d5b33870a46303f7df. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580591570.
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
Stabat Mater in F Minor: IV. Quae moerebat et dolebat
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fed147746a35803257e12b5051d13ce12048bf7d9f9651d90df46808f6a465. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/NLN580591572.
Stabat Mater in F Minor: V. Quis est homo, qui Non fleret
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc78e5e69cf899016c117272ce764320acaf63907097e45b0c677590b54fb36b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580591573.
Stabat Mater in F Minor: VI. Vidit suum dulcem natum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c0426ba49773f61566da1c24da3add3f2e2e44d4fea6c9b5c3638110fc13a3. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/NLN580591574.
Stabat Mater in F Minor: VIII. Fac ut ardeat cor meum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5cac532fd32f65efca669ca62ae86939beb1fd06d3d1119c3b94dfcab69d6ec. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580591576.
Stabat Mater in F Minor: X. Fac ut portem Christi mortem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3ac19ffac2bbc819b241e1977c56ae6bf87223fc4b7e8c17937aa3de934afd8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580591578.
Stabat Mater in F Minor: XII. Quando corpus morietur
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23178a536dfcc91258ac576b882134ebb0a21dbde5f6fee2c839e6b629ac2f63. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLN580591580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedb5017f9815722251d39903da6cc78e34568c67fa9d7279160447a0c97e973e. 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/FRZ140229010.
Griselda, Op. 114, Atto Secondo, Scena 1: Aria. Mi rivedi, o selva ombrosa (Griselda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb93b9de15a1a7daac411c0b16dcd96ac0f70362f2fe5f9fbbabe0bf5f93e3c1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T00:59:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140230010.
Pergolesi, Monteverdi, Frescobaldi: Stabat Mater - Sacred Baroque Music
Samson HWV 57, Act I, Scene 1: V. Recitative. "Why by an Angel Was My Birth Foretold"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a2ca5d31ccb03f9530b0a904f29d374caed12eebab3dd316dcb4f2df76d9d6f. 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/BER181941106.
Samson HWV 57, Act I, Scene 2: II. Recitative. "Whom Have I to Complain of but Myself"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c843f0d8888275e6e67845276f96734cddf966f58cf08de9e67397fb174f48. 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/BER181941108.
Samson HWV 57, Act II, Scene 4: IV. Duet. "Go, Baffled Coward, Go" - "Presume No on Thy God"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc703cc6970f4d61788fbf71d0127dae7609a73fe5af2240d986a5bdf7550c88a. 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/BER181941135.
Samson HWV 57, Act I, Scene 2: IV. Accompagnato. "Since Light So? Necessary Is to Life"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7e18cf3b0af80f1802654b5937f371b9ae4ef4015a9ed4e729615ddf3eddda. 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/BER181941110.
Samson HWV 57, Act I, Scene 2: V. Chorus. "O First Created Beam!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0869fa338d257e18628fe727d81830a098003dc316f3f51379f547f8e927d3e8. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER181941111.
Samson HWV 57, Act I, Scene 3: V. Chorus. "Then Round About the Starry Throne"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ddfd5c09549f2870bffb8d0b02b90586252502c5f682d0d02b0a99c2c680bd. 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/BER181941117.
Samson HWV 57, Act III, Scene 1: IV. Chorus of Israelites. "With Thunder Arm'd, Great God, Arise!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11f4470d816dabafdcab16795c8744b230ef45952339bf77e6677c90a661b43. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER181941145.
Samson HWV 57, Act I, Scene 2: I. Recitative. "Oh, Change Beyond Report"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda99187b1d5dbcb5a1d2ece0142caa4ae1a9f85e942646c160822a1f64d98a5. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/BER181941107.
Samson HWV 57, Act I, Scene 2: VI. Recitative. "Ye See, My Friends, How Woes Enclose Me Round"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae03fd1fa3ef289b269dbb95a3d5ffd81becac920f2554055aecc869a11d05be. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), registered by our 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/BER181941112.
Samson HWV 57, Act I, Scene 3: I. Air. "Thy Glorious Deeds Inspir'd My Tongue"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4ff0ef2ce8675723c80a7f52b09cbda64dd2c43ea0795e00912c42fd0d3fe1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER181941113.
Samson HWV 57, Act I, Scene 3: IV. Accompagnato. "My Genial Spirits Droop, My Hopes Are Fled"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf60bc3cc29c774fec84bd8e1e7e13e4ed248b3fcf4ac2007bd13c66b94b3872e. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER181941116.
Samson HWV 57, Act II, Scene 1: I. Recitative and Air. "Trust yet in God! - Return, O God of Hosts! Behold"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c3dff6a38d376323117ce05fc6d5c84bd332f28ffbbb5663b5973ae9e3d9967. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER181941118.
Handel: Messiah, HWV 56 (Mit einer Werkeinführung)
Dido & Aeneas, Z. 626, Act III: When I am laid in earth
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb873ca6b99d18d197c2f1f8b6728fcc662be1291ca568d5d0d781c2d73e94dd. 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/GBAYC9500786.
Leçons de Ténèbres du Mercredy Sainct: Répons, Tristis est anima mea
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6178aba1aaf42cdbb723b2d5bc6d632f49f44a7de14aefc1330e52aff14ec29e. 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/FRZ147810040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1efe959b6ffb0eab4c33da0fa4e3df93f294caeef99e2efc3730eb9f5130952e. 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/FRZ148311030.
La traviata, Act I: Un dì felice (Alfredo, Violetta, Gastone)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1596ce3ff3dffd3de1ad4e14991e37967b3c9141700b1a74876b2bcf5a7ab6b7. 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/DEA809220918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c18834264bfeea8ce1f4ffbcf69324cd94e08e7642af09c1133791de7aec62. 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/GBAYC0303150.
Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeeb6707c6c1e96203b3460c0c70157acb2521a224db0440e37f53680e9a5606. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0303154.
Vivaldi: Giustino, RV 717, Act 1: "Vedrò con mio diletto" (Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67845400ccb5664c6e2d1daac3ad70cfe3b73747776f5ca7d319b7db6756903f. 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/GBAYC0601627.
Semele, HWV 58, Act II: No. 1, Iris, Impatient of Thy Stay (Juno, Iris)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab5f1b79dc41889537695fac569a27f81e1ff5b480a8ff401d97c7fc1c2ba36d. 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/BER182143729.
Semele, HWV 58, Act III: No. 1, Larghetto e piano per tutto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1ec11094db4f3d4fcfebac341b25e441e6fe3a6e44e58fcd1bc724a897c419. 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/BER182143750.
Semele, HWV 58, Act II: No. 2, There, From Mortal Cares Retiring (Iris)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9741eac53c68377091065e00cb5c9095c0bd7dc60a99f750a2f4e4cfb247d10. 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/BER182143730.
Semele, HWV 58, Act I: No. 1, Behold! Auspicious Flashes Rise (Priest)
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Semele, HWV 58, Act II: No. 6, O Sleep, Why Dost Thou Leave Me? (Semele)
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Semele, HWV 58, Act I: No. 5, Oh Jove! in Pity Teach Me (Semele)
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Semele, HWV 58, Act II: No. 7, Come, Zephyrs, Come (Cupid)
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Semele, HWV 58, Act I: No. 8, Hymen, Haste! (Athamas)
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Semele, HWV 58, Act I: No. 12, Again Auspicious Flashes Rise (Cadmus)
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Semele, HWV 58, Act II: No. 16, By My Command Now (Jupiter, Semele)
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Semele, HWV 58, Act II: No. 17, Where'er You Walk, Cool Gales Shall Fan the Glade (Jupiter)
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Semele, HWV 58, Act I: No. 17, She Weeps! The Gentle Maid in Tender Pity (Athamas)
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Semele, HWV 58, Act II: No. 19, But Hark! the Heav'nly Sphere Turns Round (Ino)
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Semele, HWV 58, Act I: No. 21, Ah, Wretched Prince (Cadmus, Athamas)
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Semele, HWV 58, Act I: No. 22, Wing'd With Our Fears and Pious Haste (Cadmus)
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Semele, HWV 58, Act I: No. 25, Hail Cadmus, Hail! (Chorus of Priests and Augurs)
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Semele, HWV 58, Act I: No. 26, Endless Pleasure, Endless Love (Semele)
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Semele, HWV 58, Act I: No. 3, Daughter, Obey, Hear and Obey! (Cadmus, Athamas)
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Semele, HWV 58, Act I: No. 9, Alas! She Yields (Ino, Athamas, Semele)
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Semele, HWV 58, Act I: No. 10, Why Dost Thou Thus Untimely Grieve (Semele, Ino, Athamas, Cadmus)
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Semele, HWV 58, Act I: No. 18, Your Tuneful Voice My Tale Would Tell (Athamas)
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Semele, HWV 58, Act I: No. 19, Too Well I See, Thou Wilt not Understand Me! (Ino, Athamas)
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Top 50 Classical Voices (Most Popular Vocal and Choral Works)
Stabat mater in F Minor: No. 9, Sancta mater
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Déploration sur le mort de Johannes Ockeghem
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7c4b6be005bd3f1d336a14c018be69e1cce0d0c27cefce8c117d78226227df1. 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/NLY331308758.
Matthäus-Passion, BWV 244: Aria. Erbarme Dich
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Messiah, HWV 56: I Know That My Redeemer Liveth
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e6b0affe5067a61519305b4cc7955215bd9fad7be6bde6c8a1e669d7f3822e1. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331308773.
Messiah, HWV 56, Part I: No. 1, "Sinfony"
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Messiah, HWV 56, Part II: No, 27, Accompagnato "All They That See Him Laugh Him to Scorn"
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Messiah, HWV 56, Part II: No. 28, Chorus "He Trusted In God That He Would Deliver Him"
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Messiah, HWV 56, Part I: No. 3, Air "Every Valley Shall Be Exalted"
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Messiah, HWV 56, Part II: No. 31, Accompagnato "He Was Cut Off Out of the Land of the Living" - No. 32, Air "But Thou Didst Not Leave His Soul In Hell"
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Messiah, HWV 56, Part II: No. 33, Chorus "Lift Up Your Heads, O Ye Gates"
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Messiah, HWV 56, Part I: No. 7, Chorus "And He Shall Purify the Sons of Levi"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dfe4bd84ed1e01f45e52371559121d4b0b0aaa355c70993c5b1ee6d3d1f5861. 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/FRZ140601070.
Messiah, HWV 56, Part I: No. 8, Recitative "Behold, a virgin shall conceive" - No. 9, Air "O thou that tellest good tidings to Zion"
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Messiah, HWV 56, Part I: No. 11, Air "The People That Walked in Darkness"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1afb32b32761b3437cc31140f3295ac1ddbb7c66e3ae355e0c621e74a2462213. 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/FRZ140601100.
Messiah, HWV 56, Part II: No. 37, Chorus "The Lord Gave the World"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56fd3c464c33d11d43334770a603ac40703f05f22b85cc7ba0bbe13c87cb1b08. 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/FRZ140602100.
Messiah, HWV 56, Part I: No. 13, Sinfonia Pastorale - No. 14a, Recitative - No. 14b, Accompagnato - No. 15, Recitative - No. 16, Accompagnato
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Messiah, HWV 56, Part II: No. 39, Chorus "Their Sound Is Gone Out Into All Lands"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4e68d5904c99e1f4837bb7d0ab80c797097844b45f002a23c31b9962faf4e93. 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/FRZ140602120.
Messiah, HWV 56, Part I: No. 19, Recitative "Then Shall the Eyes of the Blind Be Opened" - No. 20, Air "He Shall Feed His Flock"
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Messiah, HWV 56, Part I: No. 21, Chorus "His Yoke Is Easy, and His Burthen Is Light"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0efbf96148717a575540d39e313392d0af634534f25305f2f4a8a63ac4fc7e24. 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/FRZ140601160.
Messiah, HWV 56, Part III: No. 45, Air "I Know That My Redeemer Liveth"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc334bcd8e6b3c916b0835a20509583bb48c12991c0063fb54dc4a34bbff7058. 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/FRZ140602170.
Messiah, HWV 56, Part II: No. 23, Air "He Was Despised and Rejected of Men"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a8ad7e9a577e51c56bb86d3b483629b519d06f0525c9b91f1144da1af1904f2. 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/FRZ140601180.
Messiah, HWV 56, Part II: No. 25, Chorus "And With His Stripes We Are Healed"
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Messiah, HWV 56, Part III: No. 49, Recitative "Then Shall Be Brought to Pass the Saying That Is Written" - No. 50, Duet "O Death, Where Is Thy Sting?"
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Messiah, HWV 56, Part III: No. 53, Chorus "Worthy Is the Lamb That Was Slain" - No. 54, Chorus "Amen"
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Messiah, HWV 56, Part I: No. 6, Air "But Who May Abide the Day of His Coming?"
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Messiah, HWV 56, Part II: No. 36, Air "Thou Art Gone Up On High"
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Messiah, HWV 56, Part II: No. 38, Air "How Beautiful Are the Feet of Them"
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Messiah, HWV 56, Part III: No. 52, Air "If God Be for Us, Who Can Be Against Us?"
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Saul, HWV 53: Act I, Scene II: "He Comes, He Comes!" - Air "O God-like Youth!" - Behold, O King, the Brave, Victorious Youth
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Saul, HWV 53: Act I, Scene II: Air "What Abject Thoughts a Prince Can Have!" - "Yet Think, On Whom This Honour You Bestow"
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Saul, HWV 53: Act II. Scene VII. 61. "Whom Dost Thou Seek" / 62. Air "No, No Let the Guilty Tremble"
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Saul, HWV 53: Act II. Scene IX. 65. Symphony
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Saul, HWV 53: Act II. Scene IX. 66. "The Time At Length Is Come" / Scene X. 67. "Where Is the Son of Jesse?"
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Saul, HWV 53: Act I, Scene V: "Racked With Infernal Pains" - Air "O Lord, Whose Mercies Numberless"
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Saul, HWV 53: Act III. Scene IV. 75. "Whence Comest Thou?" / 76. Air "Impious Wretch, of Race Accurst!"
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Saul, HWV 53: Act III. Scene V. 79. Air "Oh Let It Not In Gath Be Heard"
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Saul, HWV 53: Act I, Scene VI: Air "O Lord, Whose Providence" - Chorus "Preserve Him for the Glory of Thy Name"
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Saul, HWV 53: Act III. Scene V. 80. Air "From This Unhappy Day"
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Saul: Act III, scene 5. N°81. Aria David: "Brave Jonathan his bow never drew" - N°82. Chorus: "Eagles were not so swift as they"
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Saul, HWV 53: Act III. Scene V. 83. Air "In Sweetest Harmony They Lived!" / 84. "O Fatal Day!" / 85. "Ye Men of Judah, Weep No More!"
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Saul, HWV 53: Act II, Scene II: "Oh Strange Vicissitude!" - Air "Such Haughty Beauties Rather Move"
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Saul, HWV 53: Act III. Scene V. 86. Chorus "Gird On Thy Sword, Thou Man of Might"
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Saul, HWV 53: Act I, Scene I: Air "An Infant Raised by Thy Command" - Trio "Along the Monster Atheist Strode"
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Saul, HWV 53: Act II. Scene IV. 52. "Appear, My Friend" / 53. Air "Your Words, O King, My Loyal Heart" / 54. "Yes, He Shall Wed My Daughter!"
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Saul, HWV 53: Act I, Scene I: "The Youth Inspired by Thee, O Lord" - Chorus "How Excellent Thy Name, O Lord"
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Saul, HWV 53: Act II. Scene V. 55. "A Father's Will Has Authorised My Love" / 56. Duet "O Fairest of Ten Thousand Fair" / 57. Chorus "Is There a Man"
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Saul, HWV 53: Act I, Scene II: Air "O King, Your Favours With Delight" - "Oh Early Piety!"
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Saul, HWV 53: Act II. Scene VI. 59. "Thy Father Is As Cruel" / 60. Duet "At Persecution I Can Laugh"
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Mitridate, re di Ponto, K. 87, Overture: Allegro
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Apollo et Hyacinthus, K. 38: No 3. Chorus: Numen o Latonium (Chorus/Oebalus)
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Apollo et Hyacinthus, K. 38: No 9. Aria: Laetari, iocari (Melia)
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Apollo et Hyacinthus, K. 38: No 7. Aria: Iam pastor Apollo (Apollo)
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Apollo et Hyacinthus, K. 38: No 13. Duetto: Discede crudelis! (Melia/Apollo)
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Apollo et Hyacinthus, K. 38: No 19. Terzetto: Tandem post turbida fulmina (Apollo/Melia/Oebalus)
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Rutter: Gloria - Bernstein: Chichester Psalms - Poulenc: Quatre petites prières
Gloria: Gloria in excelsis deo. Allegro vivace
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Gloria: Domine deus, rex coelestis. Andante
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