Knut Schoch is a German tenor in opera and concert as a specialist in the field of historically informed performance, and an academic voice teacher. Career Knut Schoch studied voice in Hamburg wit
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef675e9f107b62b3de598216f97c3898697669fc907d5ce1b4ae33bcae4211ef. 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/91120fc2-7491-42a1-8fb7-8d14351c24f6.json and https://artists.proofprofile.net/proofs/artist/91120fc2-7491-42a1-8fb7-8d14351c24f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Handel: Gideon (Compiled and Arr. by J. C. Smith)
J.S. Bach: Complete Sacred Cantatas Vol. 10, BWV 181-200
Himmelskönig, sei willkommen, BWV 182: II. Coro. Himmelskönig, sei willkommen
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f9f7abd5319022b502fff8a53a7c2aae492d2e9e6d76b319176000f206dfb1. 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/NLY331307674.
1840 (Zyklen und Lieder von Robert Schumann)
Mit Johann Sebastian Bach durch das Kirchenjahr: Advent und Weihnachten, Teil 2
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Mit Johann Sebastian Bach durch das Kirchenjahr, Vol. 3
Mit Johann Sebastian Bach durch das Kirchenjahr, Vol. 2
Mit Johann Sebastian Bach durch das Kirchenjahr, Vol. 1
Gottfried August Homilius: Warum toben die Heiden. Kantaten
Warum toben die Heiden, HoWV II. 31: I. Warum toben die Heiden
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J.S. Bach: Complete Sacred Cantatas Vol. 09, BWV 161-180
J.S. Bach: Complete Sacred Cantatas Vol. 08, BWV 141-160
Herz und Mund und Tat und Leben, BWV 147, Prima Parte: I. Coro. Herz und Mund und Tat und Leben
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Herz und Mund und Tat und Leben, BWV 147, Seconda Parte: X. Choral. Jesu bleibet meine Freude (Coro)
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J.S. Bach: Complete Sacred Cantatas Vol. 07, BWV 121-140
J.S. Bach: Complete Sacred Cantatas Vol. 06, BWV 101-120
J.S. Bach: Complete Sacred Cantatas Vol. 05, BWV 81-100
J.S. Bach: Complete Sacred Cantatas Vol. 04, BWV 61-80
J.S. Bach: Complete Sacred Cantatas Vol. 03, BWV 41-60
Jesu, nun sei gepreiset, BWV 41: I. Coro. Jesu, nun sei gepreiset
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J.S. Bach: Complete Sacred Cantatas Vol. 02, BWV 21-40
Ich hatte viel Bekümmernis, BWV 21, Prima Parte: II. Coro. Ich hatte viel Bekümmernis
Holland Boys Choir, Netherlands Bach Collegium & Pieter Jan Leusink
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J.S. Bach: Complete Sacred Cantatas Vol. 01, BWV 1-20
Wie schön leuchtet der Morgenstern, BWV 1: I. Coro. Wie schön leuchtet der Morgenstern
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Christ lag in Todesbanden, BWV 4: II. Coro Versus I. Christ lag in Todesbanden
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Christ lag in Todesbanden, BWV 4: III. Duetto, Versus II. Den Tod niemand zwingen kunnt (Soprano, Alto)
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Christ lag in Todesbanden, BWV 4: IV. Aria Versus III. Jesus Christus, Gottes Sohn (Tenore)
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Christ lag in Todesbanden, BWV 4: V. Coro, Versus IV. Es war ein wunderlicher Krieg
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Christ lag in Todesbanden, BWV 4: VI. Aria, Versus V. Hier ist das rechte Osterlamm (Basso)
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Christ lag in Todesbanden, BWV 4: VII. Duetto, Versus VI. So feiern wir das hohe Fest (Soprano, Tenore)
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Wo soll ich fliehen hin, BWV 5: I. Coro. Wo soll ich fliehen hin
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Stölzel: Der für die Sünde der Welt gemarterte und sterbende Christus
J.S. Bach: Unser Mund sei voll Lachens, BWV 110
Unser Mund sei voll Lachens, BWV 110: I. Coro. Unser Mund sei voll Lachens (Coro, Soprano,Tenore, Alto, Basso)
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Unser Mund sei voll Lachens, BWV 110: II. Aria. Ihr Gedanken und ihr Sinnen (Tenore)
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Unser Mund sei voll Lachens, BWV 110: III. Recitativo. Dir, Herr, ist Niemand gleich (Basso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77added282ef93bfff91f98a5270f527cc1c6abd6a827dc78c646ecc1132cd50. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408351.
Unser Mund sei voll Lachens, BWV 110: V. Duetto. Ehre sei Gott in der Höhe (Soprano, Tenore)
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Unser Mund sei voll Lachens, BWV 110: VI. Aria. Wacht auf! Ihr Adern und ihr Glieder (Basso)
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Unser Mund sei voll Lachens, BWV 110: VII. Choral. Alleluja! Gelobt sei Gott (Coro)
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Saul, HWV 53: Symphony: Allegro - Larghetto - Allegro - Andante larghetto
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Saul, HWV 53: Act I Scene 1: How excellent Thy name, O Lord (Chorus)
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Saul, HWV 53: Act I Scene 1: Air: An Infant rais'd by thy Command (Soprano)
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Saul, HWV 53: Act I Scene 1: Trio: Along the Monster Atheist strode (Chorus)
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Saul, HWV 53: Act I Scene 1: The Youth inspir'd by Thee, O Lord (Chorus)
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Saul, HWV 53: Act I Scene 1: How excellent thy name, O Lord (Chorus)
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Saul, HWV 53: Act I Scene 2: Air: O God-like Youth! (Michal)
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Saul, HWV 53: Act I Scene 2: Recitative: Behold, O King… Young Man… The Son of Jesse (Abner, Saul, David)
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Saul, HWV 53: Act I Scene 2: Air: O King, your Favours with Delight (David)
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Saul, HWV 53: Act I Scene 2: Air: What abject Thoughts a Prince can have (Merab)
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Saul, HWV 53: Act I Scene 5: Air: O Lord, whose Mercies numberless (David)
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Johannes-Passion, BWV 245, Pt. 1: No. 1, Chorus: Herr, unser Herrscher
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Johannes-Passion, BWV 245, Pt. 2: No. 1, Chorale: Christus, der uns selig macht
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Johannes-Passion, BWV 245, Pt. 1: No. 2, Recitative: Jesus ging mit seinen Jüngern - Chorus: Jesum von Nazareth - Recitative: Jesus spricht zu ihnen
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Johannes-Passion, BWV 245, Pt. 2: No. 2, Recitative: Da führeten sie Jesum von Kaipha vor das Richthaus - Chorus: Wäre dieser nicht ein Übeltäter
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Johannes-Passion, BWV 245, Pt. 1: No. 3, Chorale: O große Lieb
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Johannes-Passion, BWV 245, Pt. 2: No. 3, Chorale: Ach, großer König
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Johannes-Passion, BWV 245, Pt. 1: No. 4, Recitative: Auf dass das Wort erfüllet würde
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Johannes-Passion, BWV 245, Pt. 1: No. 5, Chorale: Dein Will gescheh
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Johannes-Passion, BWV 245, Pt. 2: No. 5, Arioso: Betrachte, meine Seel
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Johannes-Passion, BWV 245, Pt. 1: No. 6, Recitative: Die Schar aber und der Oberhauptmann
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Johannes-Passion, BWV 245, Pt. 2: No. 6, Aria: Erwäge, wie sein blutgefärbter Rücken
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Johannes-Passion, BWV 245, Pt. 1: No. 7, Aria: Von den Stricken meiner Sünden
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Johannes-Passion, BWV 245, Pt. 2: No. 7, Recitative: Und die Kriegsknechte flochten - Chorus: Sei gegrüßet, lieber Judenkönig - Recitative: Und gaben ihm
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Johannes-Passion, BWV 245, Pt. 2: No. 8, Chorale: Durch dein Gefängnis
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Johannes-Passion, BWV 245, Pt. 1: No. 9, Aria: Ich folge dir gleichfalls
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Johannes-Passion, BWV 245, Pt. 1: No. 10, Recitative: Derselbige Jünger
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Johannes-Passion, BWV 245, Pt. 2: No. 10, Chorus & Aria: Eilt, ihr angefochtnen Seelen
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Johannes-Passion, BWV 245, Pt. 1: No. 11, Chorale: Wer hat dich so geschlagen
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Johannes-Passion, BWV 245, Pt. 2: No. 11, Recitative: Allda kreuzigten sie ihn - Chorus: Schreibe nicht: der Jüden König - Recitative: Pilatus antwortet
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Johannes-Passion, BWV 245, Pt. 2: No. 12, Chorale: In meines Herzens Grunde
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Johannes-Passion, BWV 245, Pt. 1: No. 13, Aria: Ach, mein Sinn
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Johannes-Passion, BWV 245, Pt. 2: No. 13, Recitative: Die Kriegsknechte aber - Chorus: Lasset uns den nicht zerteilen - Recitative: Auf dass erfüllet würde
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Johannes-Passion, BWV 245, Pt. 1: No. 14, Chorale: Petrus, der nicht denkt zurück
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Johannes-Passion, BWV 245, Pt. 2: No. 14, Chorale: Er nahm alles wohl in acht
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Johannes-Passion, BWV 245, Pt. 2: No. 15, Recitative: Und von Stund an
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Johannes-Passion, BWV 245, Pt. 2: No. 16, Aria: Es ist vollbracht
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Johannes-Passion, BWV 245, Pt. 2: No. 18, Chorus & Aria: Mein teurer Heiland
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Johannes-Passion, BWV 245, Pt. 2: No. 20, Aria: Mein Herz, in dem die ganze Welt
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Johannes-Passion, BWV 245, Pt. 2: No. 21, Aria: Zerfließe, mein Herze
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Johannes-Passion, BWV 245, Pt. 2: No. 22, Recitative: Die Jüden aber
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Johannes-Passion, BWV 245, Pt. 2: No. 23, Chorale: O hilf, Christe, Gottes Sohn
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Johannes-Passion, BWV 245, Pt. 2: No. 24, Recitative: Darnach bat Pilatum
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Johannes-Passion, BWV 245, Pt. 2: No. 25, Chorus: Ruht wohl, ihr heiligen Gebeine
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Johannes-Passion, BWV 245, Pt. 2: No. 26, Chorale: Ach Herr, laß dein lieb Engelein
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I. Mache Dich, Mein Geist, Bereit BWV 115, (1) Coro: Mache Dich, Mein Geist, Bereit
Holland Boys Choir, Netherlands Bach Collegium
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Bach for Christmas/Bach zu Weihnachten, Vol. 1
Christmas Oratorio, BWV 248, Pt. 1: I. Chorus. Jauchzet, frohlocket! (Chorus)
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Christmas Oratorio, BWV 248, Pt. 1: V. Chorale. Wie soll ich dich empfangen (Chorus)
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Bach for Christmas/Bach zu Weihnachten, Vol. 2
J.S. Bach: Sehet, wir gehn hinauf gen Jerusalem, BWV 159
St. Michael Hamburg Youth Choir, male section
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8645ab08e29f64a46e362bb9586c2e993ebec80b4d0b0f811be5b96b032aa93a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEB909100104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b71cd43514be90c84a645c6c8769313ee4602309f1a914424a2485f6154cdf5. 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/DEB909100109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9656a18a380bec753bf9c046d957d52b32f56d9c42b94bef4dda1ba9195ed900. 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/DEB909100112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ce440c870e25650d92c10704999c8743703bc46c1e2fee95376ee5e0d94ea1. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our 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/DEB909100113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb6f8ab76f7349f80b8bd1ed3540aedd3ee9ca44a728efba29db3fee037ab92. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEB909100118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3868d7066f8a97643f0009e6a4ce929ed3dd8de51e4f822aafc15d2a72762f17. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/DEB909100122.
I. Jesu, Nun Sei Gepreiset BWV 41, 1. Coro: Jesu, Nun Sei Gepreiset
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I. Jesu, Nun Sei Gepreiset BWV 41, 3. Recitativo (Alto): Ach! Deine Hand
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I. Jesu, Nun Sei Gepreiset BWV 41, 6. Choral (Coro): Dein Ist Allein Die Ehre
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II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 1. Sinfonia
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II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 2. Coro: Wir Danken Dir, Gott, Wir Danken Dir
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II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 4. Recitativo (Basso): Gottlob! Es Geht Uns Wohl!
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II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 5. Aria (Soprano): Gedenk An Uns Mit Deiner Liebe
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II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 7. Aria (Alto): Halleluja, Stärk Und Macht
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III. Gott, Man Lobet Dich In Der Stille BWV 120, 1. Aria (Alto): Gott, Man Lobet Dich In Der Stille
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I. Herz Und Mund Und Tat Und Leben BWV 147, Prima Parte, 1. Coro: Herz Und Mund Und Tat Und Leben
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I. Wo Soll Ich Fliehen Hin BWV 5, (1) Coro: Wo Soll Ich Fliehen Hin
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I. Ein Feste Burg Ist Unser Gott BWV 80, Coro: Ein Feste Burg Ist Unser Gott
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I. Ein Feste Burg Ist Unser Gott BWV 80, Aria (Soprano, Basso): Mit Unser Macht
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I. Ein Feste Burg Ist Unser Gott BWV 80, Recitativo (Basso): Erwäge Doch, Kind Gottes
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I. Ein Feste Burg Ist Unser Gott BWV 80, Aria (Soprano): Komm In Mein Herzenshaus
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I. Ein Feste Burg Ist Unser Gott BWV 80, Choral (Coro): Und Wenn Die Welt Voll Teufel Wär
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I. Ein Feste Burg Ist Unser Gott BWV 80, Choral (Coro): Das Wort Sie Sollen Lassen Stahn
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II. Ich Habe Genug BWV 82, Aria (Basso): Ich Habe Genug
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II. Ich Habe Genug BWV 82, Recitativo (Basso): Mein Gott! Wann Komt Das Schöne
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I. Weinen, Klagen, Sorgen, Zagen BWV 12, 1. Sinfonia
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I. Herz Und Mund Und Tat Und Leben Bwv 147, For The Feast Of Visitation,mariae Heimsuchung, Seconda Parte: Choral (Coro), Jesu Bleibet Meine Freude
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Gott ist mein König, BWV 71: II. Aria. Ich bin nun achtzig Jahr (Soprano, Tenore)
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Der für die Sünde der Welt gemarterte und sterbende Christus, Pt. 1: Drauf sagten sie dem Höchsten Dank
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