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genre: opera
genre: requiem
description: Rodney Gilfry is a leading American operatic baritone. After launching his career at Frankfurt Opera in 1987, Gilfry quickly established a reputation for stylish singing and acting. A renowned Mozart
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album: David Lang: The Loser
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album: My Heart is So Full of You
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album: Iphigénie en Tauride, Wq. 46
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  track: Iphigénie en Tauride, Wq. 46, Act I: Iphigénie, ô ciel!
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      date published: 2026-07-08T03:53:27Z
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album: Mozart, W.A.:Cosi fan tutte K.588 - Highlights
album: Brahms: Ein deutsches Requiem
track: Bernstein: Wonderful Town, Act 1: "Christopher Street" (Tour Guide, Villagers)
track: Bernstein: Wonderful Town, Act 1: "What a waste" (Robert Baker, Associate Editors)

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Iphigénie en Tauride, Wq. 46, Act I: Quand verrons-nous tarir nos pleurs?
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  date published: 2026-07-08T03:20:19Z
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Mozart, W.A.:Cosi fan tutte K.588 - Highlights
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date published: 1993
track: Così fan tutte ossia La scuola degli amanti, K.588 / Act 1: Ouverture
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    date published: 1993
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T16:33:26Z
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Brahms: Ein deutsches Requiem
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date published: 1991-01-01
track: Ein deutsches Requiem, Op. 45: I. Chorus. Selig sind, die da Leid tragen
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    date published: 2026-07-29T12:41:21Z
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 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
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    date published: 2026-07-29T19:35:34Z
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  by artist: Johannes Brahms
  by artist: Rod Gilfry
  by artist: The Monteverdi Choir
  by artist: Orchestre Révolutionnaire et Romantique
  by artist: John Eliot Gardiner
  in album: Brahms: Ein deutsches Requiem
    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
  genre: german-romanticism
  genre: classical-piano
  genre: late-romantic-era
  genre: chamber-music
  genre: orchestral
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  subject of: OpenTimestamps Proof of Existence
  audio: Ein deutsches Requiem, Op. 45: III. Solo Baritone & Chorus. Herr, lehre doch mich
track: Ein deutsches Requiem, Op. 45: IV. Chorus. Wie lieblich sind deine Wohnungen
track: Ein deutsches Requiem, Op. 45: V. Solo Soprano & Chorus. Ihr habt nun Traurigkeit
track: Ein deutsches Requiem, Op. 45: VI. Solo Baritone & Chorus. Denn wir haben hie keine bleibende Statt
track: Ein deutsches Requiem, Op. 45: VII. Chorus. Selig sind die Toten

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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value: 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

OpenTimestamps Proof of Existence
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date published: 2026-07-30T04:47:22Z

Ein deutsches Requiem, Op. 45: III. Solo Baritone & Chorus. Herr, lehre doch mich
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Ein deutsches Requiem, Op. 45: IV. Chorus. Wie lieblich sind deine Wohnungen
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duration: PT5M31S
duration ms: 331000
explicit: false
by artist: Johannes Brahms
by artist: The Monteverdi Choir
by artist: Orchestre Révolutionnaire et Romantique
by artist: John Eliot Gardiner
in album: Brahms: Ein deutsches Requiem
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T14:28:24Z
audio: Ein deutsches Requiem, Op. 45: IV. Chorus. Wie lieblich sind deine Wohnungen
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Ein deutsches Requiem, Op. 45: V. Solo Soprano & Chorus. Ihr habt nun Traurigkeit
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duration: PT7M13S
duration ms: 433000
explicit: false
by artist: Johannes Brahms
by artist: Charlotte Margiono
by artist: The Monteverdi Choir
by artist: Orchestre Révolutionnaire et Romantique
by artist: John Eliot Gardiner
in album: Brahms: Ein deutsches Requiem
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ein deutsches Requiem, Op. 45: V. Solo Soprano & Chorus. Ihr habt nun Traurigkeit
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Ein deutsches Requiem, Op. 45: VI. Solo Baritone & Chorus. Denn wir haben hie keine bleibende Statt
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duration: PT11M24S
duration ms: 684000
explicit: false
by artist: Johannes Brahms
by artist: Rod Gilfry
by artist: The Monteverdi Choir
by artist: Orchestre Révolutionnaire et Romantique
by artist: John Eliot Gardiner
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  date published: 1991-01-01
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
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Ein deutsches Requiem, Op. 45: VII. Chorus. Selig sind die Toten
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by artist: The Monteverdi Choir
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genre: classical
genre: german-romanticism
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genre: late-romantic-era
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Ein deutsches Requiem, Op. 45: VII. Chorus. Selig sind die Toten
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Bernstein: Wonderful Town, Act 1: "Christopher Street" (Tour Guide, Villagers)
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by artist: Birmingham Contemporary Music Group
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genre: classical
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additional property: OTSVerificationAPI
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  date published: 2026-07-31T09:50:11Z
audio: Bernstein: Wonderful Town, Act 1: "Christopher Street" (Tour Guide, Villagers)
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Bernstein: Wonderful Town, Act 1: "What a waste" (Robert Baker, Associate Editors)
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by artist: Leonard Bernstein
by artist: Sir Simon Rattle
by artist: Carl Daymond
by artist: Rod Gilfry
by artist: Thomas Hampson
by artist: Birmingham Contemporary Music Group
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  date published: 2026-07-08T03:20:19Z
audio: Bernstein: Wonderful Town, Act 1: "What a waste" (Robert Baker, Associate Editors)
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