Marlis Petersen (born 3 February 1968) is a German operatic coloratura soprano. Career Born in Sindelfingen, Baden-Württemberg, on 3 February 1968, Marlis Petersen won several piano competitions befo
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 0x197e800d5124c16a48affe24b99a3865ed0fa43c30b2b0766077fb17615d61a2. 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/cfbc676f-ab98-44d3-90a2-7ca1f651c563.json and https://artists.proofprofile.net/proofs/artist/cfbc676f-ab98-44d3-90a2-7ca1f651c563.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jörg Widmann: Arche (Live at Elbphilharmonie, Hamburg / 2017)
Widmann: Arche: 5. Dona nobis pacem (Live at Elbphilharmonie, Hamburg / 2017)
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 0xb22375737eaa5de7913051c1b2f43f635d21696bf3dadb18a117f1e79258ab50. 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/FR7JM1772010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe0a3c63e639328e6833d09997a5b35a833fff2f7c77ccee4207ecbd285bf47f. 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/FRZ141130030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8363ce7f7cc972acd8afedaf64b7328ef0e17582c029968b04ab39f4dd44643. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/FRZ141130010.
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
Schumann: Spanische Liebeslieder, Op. 138
Spanisches Liederspiel, Op. 74: III. Liebesgram
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b355a7b64e27df370c22f9b519af700b7aacba90ce612d848136c3316842d3. 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/FRZ140913030.
Spanisches Liederspiel, Op. 74: VI. Melancholie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce5834182b21153f0527eee76c1f492a560f8621d26833fec66ac7b6575a6e0. 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/FRZ140913060.
Spanisches Liederspiel, Op. 74: VIII. Botschaft
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86177217a923972685d3f3c2afc9028412b97f8da6c43f18ce3ac2d807d7c15c. 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/FRZ140913080.
Spanisches Liederspiel, Op. 74: IX. Ich bin geliebt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279f56443a1876604694a09193dc91738c4e16f92c204242fe64c70c5c22bd8c. 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/FRZ140913090.
Spanisches Liederspiel, Op. 74: X. Anhang: Der Contrabandiste
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773aa655da668a2f4620a1a9499452b86e1d434230c529ec5db6babe11045375. 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/FRZ140913100.
Spanische Liebeslieder, Op. 138: II. Lied "Tief im Herzen trag' ich Pein"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0762d3cede17bde8fa2c98426e1139558a0f7e41966f84fb864fcfec25e64246. 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/FRZ140913200.
Spanische Liebeslieder, Op. 138: IV. Duett "Bedeckt mich mit Blumen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc6a7ed6dc56a873b9b95c6e6577ea54e1d5d71e8b7cca1fab948f4eb8c2eeac. 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/FRZ140913220.
Spanische Liebeslieder, Op. 138: VII. Lied "Weh, wie zornig ist das Mädchen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e24eba252af6a776fbdc07620aa1082cd933157241f8bdc08ee47ab432064d. 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/FRZ140913250.
Spanische Liebeslieder, Op. 138: VIII. Lied "Hoch, hoch sind die Berge"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38c0e24298da47c8f4e80317e4258d74049336bb61eaf71b2516d34cd909156b. 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/FRZ140913260.
Spanische Liebeslieder, Op. 138: X. Quartett: "Dunkler Lichtglanz"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1b5107f14e12343826cf9effc755062bdc5de1e6ee93d7c4d356265b075a39. 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/FRZ140913280.
Spanisches Liederspiel, Op. 74: IV. In der Nacht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc5bf982466cbd39bcef0d720c8fbaf748be916d6381e9b6d4f8b3037341c0b. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:50:22Z), 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/FRZ140913040.
Spanisches Liederspiel, Op. 74: I. Erste Begegnung
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc168953cb019416ce45053b9407eccdcb7967f694fb6ae5f24ea0d5ea5009ee3. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913010.
Spanisches Liederspiel, Op. 74: II. Intermezzo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e38a4b489b03dcd09c58195e16ce21966ab522fbe833a94302e42ae5d5e388d. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913020.
Spanisches Liederspiel, Op. 74: V. Es ist verraten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b5a5ba07ac23cb8ab9f5e4f24f28a598fa62f14adf390bfac5c964b64b590f. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913050.
Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c1c20052e233c39251689780db66daa5fe0acdeae88207499e511adf325973. 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/FRZ140913270.
Brahms: Liebesliederwalzer & Neue Liebeslieder
Liebesliederwalzer, Op. 52: II. Am Gesteine rauscht die Flut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec278489d3ef19838300544d464c175c2c51aef0c7c26d0708075cd4fb8d0d4. 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/FRZ140617020.
Liebesliederwalzer, Op. 52: V. Die grüne Hopfenranke
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff2322d06177dfce8e47ca11372c9f9fffa18557b20c15d158bf50c05793dcc. 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/FRZ140617050.
Liebesliederwalzer, Op. 52: VI. Ein kleiner, hübscher Vogel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66bf5656fbdd7d7d7520faa320427cade79ca24543317ed7ca81d3c60dbe02fb. 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/FRZ140617060.
Liebesliederwalzer, Op. 52: VII. Wohl schön bewandt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b298e7008bb5dd4140e938b6c8437559fa50d3c8de352aae73de2559795cf2. 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/FRZ140617070.
Liebesliederwalzer, Op. 52: IX. Am Donaustrande
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54f5831e39d0e1eb5ddc99b9084b3622c2181ed337d46b1ac7763bdbff82661. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617090.
Liebesliederwalzer, Op. 52: XIII. Vögelein durchrauscht die Luft
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d18c921337321ec0b30772cc66308414ec4f8874dee0fa6b328cb97b81f9265. 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/FRZ140617130.
Liebesliederwalzer, Op. 52: XVI. Ein dunkeler Schacht ist Liebe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5779614fa6dc49913b13d4b6fc967f0b0e0e2efe0e82d77a108211a912d188b. 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/FRZ140617160.
Liebesliederwalzer, Op. 52: XVII. Nicht wandle, mein Licht, dort außen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c251b7c169aea83e424f4dad087e3d6e914a8f7db6a496414f7c1fbae6732f5. 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/FRZ140617170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef9f4a4955c5ee5e483c8ff8d4557704df4833ade8acedb4c178150bca5c72f. 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/FRZ140617190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe629ea291bf8cab3e9529d7a8c881b7e5740ec8f1f622f65631f933f8330ac7b. 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/FRZ140617200.
Neue Liebeslieder, Op. 65: III. An jeder Hand die Finger
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4febeaf900fa357adcfa6da2fd6064bb56538ad8305423a35c2aab987dace36f. 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/FRZ140617240.
Neue Liebeslieder, Op. 65: VI. Rosen steckt mir an die Mutter
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a07660ed9de62ef11604725f2ea662ae31c0f0d9c963cfeef384ec0ace4ddc. 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/FRZ140617270.
Neue Liebeslieder, Op. 65: XV. Zum Schluß
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035fb63a2055c40cadbbbdc3118f5fed5a897582d80757fc638244d44131892c. 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/FRZ140617360.
Liebesliederwalzer, Op. 52: I. Rede, Mädchen, allzu liebes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6984306427e17262f60251a614f01adda1bd0064bfecd2ad9681faf2cfa137b9. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617010.
Liebesliederwalzer, Op. 52: IV. Wie des Abends schöne Röte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eedc0c0400b186cde95d57331e4701d6814f0c9034c57e0439a461388c61712. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617040.
Liebesliederwalzer, Op. 52: VIII. Wenn so lind dein Auge mir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa34ba845f60827d6fd7fd4143b5d93f4b733b41716efda94681e5ee6146fda6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617080.
Liebesliederwalzer, Op. 52: X. O wie sanft die Quelle sich
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa78fecf0671be8d969e0f33a91159e79fd719afa93c128713e0b1348ad1d7007. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617100.
Liebesliederwalzer, Op. 52: XI. Nein, es ist nicht auszukommen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0dd94a563328e913a626a3d9b1f4579aab7136678a9f4ba2bdeeaaa707e401a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617110.
Liebesliederwalzer, Op. 52: XII. Schlosser auf, und mache Schlösser
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66183e80144d744a78c7a4a1546e6a111611812bb7079fa26e737af249a8196. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617120.
Liebesliederwalzer, Op. 52: XV. Nachtigall, sie singt so schön
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c12afee3e477de92227cd9099b38ac536e399042fd6068175730e090a23e83. 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/FRZ140617150.
Liebesliederwalzer, Op. 52: XVIII. Lebhaft en si bémol mineur
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92257cda12239bc445069ca1100186134de0cb34437c3b2658ce2027f4cde993. 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/FRZ140617180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9e011a93ee642a93940618a320aa91203a15968cc78e4c4e672c82b9b14ee5. 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/FRZ140617210.
Neue Liebeslieder, Op. 65: I. Verzicht, o Herz, auf Rettung
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797a02dfd110a81c9c6ad63986693a2075726138f06419ae5a5449dc989f98db. 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/FRZ140617220.
Neue Liebeslieder, Op. 65: II. Finstere Schatten der Nacht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2351197faad2cd043cf828a677b98ad33eb4fb3adf250bc260801c61d6c60354. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617230.
Neue Liebeslieder, Op. 65: VII. Vom Gebirge Well auf Well
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Neue Liebeslieder, Op. 65: VIII. Weiche Gräser im Revier
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Neue Liebeslieder, Op. 65: IX. Nagen am Herzen fühl ich ein Gift mir
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Neue Liebeslieder, Op. 65: XI. Alles, alles in den Wind
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Neue Liebeslieder, Op. 65: XII. Schwarzer Wald, dein Schatten ist so düster
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Neue Liebeslieder, Op. 65: XIII. Nein, Geliebter, setze dich
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Neue Liebeslieder, Op. 65: XIV. Flammenauge, dunkles Haar
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Pergolesi: Messa in Re Maggiore & Mottetto "Dignas laudes resonemus"
Sacred Masterpieces Stuttgart Gachinger Kantorei, Stuttgart Bach Collegium, Rilling
Missa solemnis in D Major, Op. 123: III. Credo
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Missa solemnis in D Major, Op. 123: I. Kyrie
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Missa solemnis in D Major, Op. 123: II. Gloria
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Brahms: Ein deutsches Requiem (Arr. for Voices and 2 Pianos)
Ein deutsches Requiem, Op. 45: Selig sind, die da Leid tragen - Arr. for Voices and 2 Pianos
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Ein deutsches Requiem, Op. 45: Denn alles Fleisch, es ist wie Gras - Arr. for Voices and 2 Pianos
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Ein deutsches Requiem, Op. 45: Wie lieblich sind dein Wohnungen - Arr. for Voices and 2 Pianos
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Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit - Arr. for Voices and 2 Pianos
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Ein deutsches Requiem, Op. 45: Denn wir haben hie keine bleibende Statt - Arr. for Voices and 2 Pianos
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Mendelssohn: Elias, Op. 70, MWV A25 (Live)
Elias, Op. 70, MWV A25, Pt. 2: Höre, Israel, höre des Herrn Stimme! (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Hilf, Herr! Willst du uns denn gar vertilgen? (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Herr, höre unser Gebet (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Wehe ihm! Er muss sterben! (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Zerreißet eure Herzen (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Es ist genug! (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Was hast du an mir getan (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Baal, erhöre uns! (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Gehe wiederum hinab! (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Wirf dein Anliegen auf den Herrn (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Und der Prophet Elias brach hervor (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Alsdann wird euer Licht hervorbrechen (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Hebe deine Augen auf (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Herr, es wird Nacht um mich (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Seraphim standen über ihm - Heilig, heilig, heilig ist Gott der Herr (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Darum ward gesendet der Prophet Elias (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Wohlan, alle die ihr durstig seid (Live)
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Anniversary Series, Vol. 9: The Most Beautiful Concert Highlights from Maulbronn Monastery, 2006 (Live)
6 Romances, Op. 6: VI. Nur wer die Sehnsucht kennt
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Bach, J.S.: Secular Cantatas, Bwv 206-207
Mendelssohn, Felix: Psalms 42, 98, 114, 115
Singet dem Herrn, Op. 91, "Psalm 98": Jauchzet dem Herrn alle Weit (Chorus)
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Psalm 115, Op. 31: Nicht unserm Namen, Herr, nur deinem geheilligten (Chorus)
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Psalm 115, Op. 31: Duet: Israel hofft auf dich, du wirst sie beschutzen in Not (Soprano, Tenor)
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Psalm 115, Op. 31: Die Toten werden dich nicht loben (Chorus)
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Psalm 114, Op. 51: Da Israel aus Agypten zog (Chorus)
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Psalm 42, Op. 42, MWV A15: Wie der Hirsch schreit (Chorus)
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Psalm 42, Op. 42, MWV A15: Aria: Meine Seele durstet nach Gott (Soprano)
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Psalm 42, Op. 42, MWV A15: Recitative: Meine Tranen sind (Soprano)
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Psalm 42, Op. 42, MWV A15: Denn ich wollte (Soprano, Chorus)
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Psalm 42, Op. 42, MWV A15: Was betrubst du dich, meine Seele (Chorus)
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Psalm 42, Op. 42, MWV A15: Recitative: Mein Gott, betrubt ist (Soprano)
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Psalm 42, Op. 42, MWV A15: Quintetto: Der Herr hat des Tages
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Psalm 42, Op. 42, MWV A15: Finale: Warum betrubst du dich (Chorus)
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Singet dem Herrn ein neues Lied (Bass, Chorus)
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Singet dem Herrn, Op. 91, "Psalm 98": Der Herr lasst sein Heil verkundigen (Soprano, Tenor, Bass, Chorus)
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Singet dem Herrn, Op. 91, "Psalm 98": Er wird den Erdkreis richten mit Gerechtigkeit (Chorus)
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Psalm 115, Op. 31: Aria: Er segne euch je mehr und mehr (Bass)
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Stabat mater, FP 148: Cujus animam gementem (Chorus)
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Stabat mater, FP 148: O quam tristis (Chorus a cappella)
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Stabat mater, FP 148: Quae moerebat (Chorus)
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Stabat mater, FP 148: Quis et homo (Chorus)
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Mozart: Der Messias K. 572 - Handel's English Oratorio Messiah HWV 56, arranged by Mozart (Complete recording, performed according to the traditions of the time)
Meistersaal Sessions / Vol. 1: Romantic Chamber Music
Mozart: Die Zauberflöte ((The Magic Flute): Famous Scenes
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Die Zauberflöte, K. 620, Teil I: 1. Auftritt. Nr. 1 Introduktion. Aria: "Zu Hilfe! Zu Hilfe!" (Tamino, die drei Damen)
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Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt - No. 14, Arie "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Die Zauberflöte, K. 620, Teil II: 29. Auftritt. Duetto: "Pa - Pa - Pa" (Papageno, Weib)
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Mahler: Symphony No. 2 in C Minor, "Resurrection" (Arrangement for Small Orchestra)
O Sole Mio - Classical & Modern Music Cross Over (Remixe)
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R. Strauss: Mädchenblumen Op. 22: IV. Wasserrose (Arr. for Chamber Ensemble by Eberhard Kloke)
Beautiful Melodies, Vol. 1 (Compilation)
Mozart: Die Zauberflöte (The Magic Flute)
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Die Zauberflöte, K. 620, Teil II: No. 17 - 18, Chor "O Isis und Osiris" (Chor der Priester)
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Die Zauberflöte, K. 620, Teil I: No. 1, Introduction "Zu Hilfe: Zu Hilfe!" (Tamino)
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Die Zauberflöte, K. 620, Teil I: No. 2, Aria "Der Vogelfänger bin ich ja"
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Die Zauberflöte, K. 620, Teil II: No. 20, Arie "Ein Mädchen oder Weibchen" (Papageno)
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Die Zauberflöte, K. 620, Teil II: No. 11, Auftritt (Die drei Damen, Papageno, Tamino) - No. 12, Quintett "Wie? Wie? Wie?" (Die drei Damen)
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Die Zauberflöte, K. 620, Teil II: No. 12, Auftritt - "Ha, da find' ich ja die spröche Schöne!" (Monostatos)
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Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Zwei Männer, Tamino) - "Der, welcher wandert dieser Straße" (Zwei geharnischte Männer)
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Die Zauberflöte, K. 620, Teil II: No. 13, Arie "Alles fühlt der Liebe Freuden" (Monostatos)
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Die Zauberflöte, K. 620, Teil II: No. 21, "Tamino, halt" (Pamina, Tamino, die Geharnischten)
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Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, Tamino, Chor) - "Wir wandelten durch Feuergluten" (Pamina, Tamino)
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Die Zauberflöte, K. 620, Teil II: No. 15, Auftritt (Sprecher, Zweiter Priester) - Auftritt (Tamino, Papageno) - Auftritt (Papageno, Weib)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt - Beide "Schnelle Füße, rascher Mut" (Papageno, Pamina)
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Die Zauberflöte, K. 620, Teil II: No. 16, Auftritt (Tamino, Papageno) - "Tamino, wollen wir nicht speisen?" (Papageno) - Auftritt (Pamina, Tamino, Papageno)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina, Monostatos) - "Ha, hab ich euch noch erwischt" (Monostatos)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina) - Chor "Es lebe Sarastro" - Auftritt (Pamina, Sarastro) - Chor "Es lebe Sarastro"
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Monostatos, Tamino, Pamina, Sarastro) - Monostatos "Nun stolzer Jüngling, nur hieher!"
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Die Zauberflöte, K. 620, Teil II: No. 18, Auftritt (Tamino, Pamina, Sarastro) - "Prinz, dein Betragen" (Sarastro)
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Die Zauberflöte, K. 620, Teil II: No. 19, Terzett (Pamina, Sarastro, Tamino) - "Soll ich dich, Teurer! nicht mehr seh'n?" (Pamina)
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Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, die drei Knaben) - "Du also bist mein Bräutigam?" (Pamina)
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Die Zauberflöte, K. 620, Teil I: No. 5, Auftritt (Monostatos, Pamina) - No. 6, Terzett "Du feines Täubchen, nur herein" (Monostatos) - Auftritt (Papageno, Monostatos) - "Wo bin ich wohl?" (Pa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f4f413a16ac61af1ebea72e5a26af495820077cba85d221ee157f33f1d1dee. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/FRZ140932100.
Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt (Königin, Pamina, Monostatos) - "Zurücke!" (Königin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1b94639ca4ae2121449819a06f0f5c70fbbdda6203780b96bd20775dfafa871. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140933100.
Die Zauberflöte, K. 620, Teil I: No. 6, Auftritt (Pamina) - "Mutter" (Pamina) - Auftritt (Papageno, Pamina) - "Bin ich nicht ein Narr" (Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x563626c893a60f112cfa9597dfd5aae286d3d2101b8c53808eb09fa826813abb. 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/FRZ140932110.
Die Zauberflöte, K. 620, Teil I: No. 6, Auftritt - No. 7, Duett "Bei Männern, welche Liebe fühlen" (Pamina, Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe561a36f7388e5e2fe30bfb745e06cffedff96d4819b82c4cf902a9f05d2abfe. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140932120.
Die Zauberflöte, K. 620, Teil II: No. 14, Auftritt (Pamina) - Auftritt (Pamina, Monostatos) - Auftritt (Monostatos, Sarastro) - Auftritt (Pamina, Sarastro) - "Herr, strafe meine Mutter nicht"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642a15cbfd61a102c3ff09ba8a9723ad03fb1e93c9de9ebdd2c79a83a7fffb59. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140933120.
Die Zauberflöte, K. 620, Teil II: No. 17, Arie "Ach ich fühl's, es ist verschwunden" (Pamina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b69c62e1cf10134886af04b63af5cd596c9088ee32fa52e2871bb6c9691814b. Chain 2 (Bitcoin): anchored in block 960155 (2026-07-29T22:13:32Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140933170.
Der Frühling: "Seht, wie der strenge Winter flieht!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dca51e56a78adf234a3af184a3df021f39ede85a77e08609a4f269343cf5e0e. 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/FRZ140325010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6060f7e959e88fa76de4acd1a680969df19514bc581980a139c2eb1f326cb122. 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/FRZ140326010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4daa5c0ef92d903103f93718c2bd3be17bb84f4fbeddeebaa0ee985ef60ea190. 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/FRZ140325020.
Der Frühling: "Schon eilet froh der Ackersmann"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf941f894cd8f68f0c64346d9cde0c71a2521dc0ae0d5b733aed7cbec47b9abcf. 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/FRZ140325040.
Der Herbst: "Seht, wie zum Haselbusche dort"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad3e54c6ecbe570b08f29be5e390000e2b24c84edd9c45aa52d9c34aab47e7b. 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/FRZ140326040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a67c3fffdf8de0064bbe003b2058120e198dceb13304b01297192b1a0adb97d. 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/FRZ140326050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0d6fc1cb644f054c89145eb7b7176a43dd692ad2e5db8afe7385cad0391201. 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/FRZ140325070.
Der Herbst: "Seht auf die breiten Weisen hin"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab65b496095c5a7c2286932e0bff1d4c29ed22d1606b0be7c0d65bcf372fdb0d. 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/FRZ140326070.
Der Frühling: "O wie lieblich ist der Anblick"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e7411e0cd87847626b512a1ccb4066047777c4a03547b4f7530b4c244ccf01f. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T06:57:14Z), registered by our 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/FRZ140325080.
Der Frühling: "Ewiger, mächtiger, gütiger Gott"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33fe8e7c4caee627b4c9840ce73571baa83eef25382898e2cc9d1eceac2531c5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRZ140325090.
Der Herbst: "Am Rebenstocke blinket jetzt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce71f7450ac34eab8a0a89695ba63366fb78d0d569c681e88fc00b2113ac334. 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/FRZ140326100.
Der Sommer: "Der munt're Hirt versammelt nun"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0124c0abd11633fa6dd92f95a61db1b16afbb96db661f745af085e08e956f616. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x648d7ae6e4065412c55948208efe23d79e8e4da1cc32f0023984f2933c6080ab. 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/FRZ140326120.
Der Sommer: "Welche Labung für die Sinne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab0d6e90ffbac3eda45d560a8d0f886c9a03c9b9d7d73f5f04189def1947953. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T00:59:19Z), 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/FRZ140325170.
Der Sommer: "Die düst'ren Wolken trennen sich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x781020da4ec1c78f467adf8c7dbf157c618326b28648a2584c2a0b8b1814f0fa. 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/FRZ140325200.
Der Winter: "Erblicke hier, beetörter Mensch"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490b46649985a3215a80e04100f0e006ee15bfaa68c5615b7a1fc69a437604ca. 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/FRZ140326220.
Der Frühling: "Sei uns gnädig, milder Himmel!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2996fd2c8ffe0ec82f09b75da0f04743db45a17a571ecd9d340fe160be44817. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325060.
Der Herbst: "So lohnet die Natur den Fleiß"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5a322a64cffe01cab614b33db83a49811d3f92d857b946673a65019daeb44e4. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140326030.
Der Sommer: "Sie steigt herauf, die Sonne"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbae8b5d790af6c8df8b3d833e1b2249f12d144bae2f3007ab23548cf38bc80f5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325120.
Der Winter: "Nun senket sich das blasse Jahr"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e2296bc8cb8272c84fc67b0a14bcd1d7792e039c86a10335de8396e9e24d55. 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/FRZ140326130.
Der Winter: "Licht und Leben sind geschwächet"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfde60b987c5bbd9f917331441d417d046d278bc55c595c1254e3589832d0d298. 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/FRZ140326140.
Der Sommer: "Willkommen jetzt, o dunkler Hain"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf103010c96a491f635d7020c3b63747a3b95cfc2c62c05b807309eb1e89f8449. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325160.
Der Winter: "Sowie er naht, schallt in sein Ohr"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654237ce306ef320459678094a2257fac4cba814c1da30991f5c3a887ab94cd6. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140326170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e80d71b1075ce1ffa4bfdc476e9fa266c90d96290bde675143a12ac83bae7a. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/FRZ140326180.
Der Sommer: "O seht! Es steiget in der schwülen Luft"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee99c9f58f28505567cba437c86aa8bc59857ca4f75ec040cf07a3cb6effe6f. 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/FRZ140325180.
Der Winter: "Ein Mädchen, das auf Ehre hielt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ffee555927f51a96f97b6d252da25d512bbaf5e0086d80e1b598f7decda8b79. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140326200.
Der Winter: "Dann bricht der große Morgen an"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c407ce2c458e725d37605928dd39b0d137e3bdf938582a69ece0488efe0c424. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140326240.
Kammerchor der Chorgemeinschaft Kai Müller
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x475795a25bf2a7775a098b7baa981e2af4b95c94c07d99eb87513a572164a51e. 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/DEQX31700042.