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type: MusicGroup
genre: opera
popularity: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xba86de548692109f86f8c22ca214ed4fb051d5519a2ab743ebe10824963479f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8957477c-c774-47e6-ab18-5c5cc5fb4622.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8957477c-c774-47e6-ab18-5c5cc5fb4622.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8957477c-c774-47e6-ab18-5c5cc5fb4622
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba86de548692109f86f8c22ca214ed4fb051d5519a2ab743ebe10824963479f3. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8957477c-c774-47e6-ab18-5c5cc5fb4622.json and https://artists.proofprofile.net/proofs/artist/8957477c-c774-47e6-ab18-5c5cc5fb4622.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
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track: Der Rosenkavalier, Op. 59 / Act 1: "Selbstverständlich empfängt mich Ihro Gnaden"
  type: MusicRecording
  duration: PT8M12S
  duration ms: 492013
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  by artist: Richard Strauss
  by artist: Manfred Jungwirth
  by artist: Hans Pipal
  by artist: Adolf Tomaschek
  by artist: Alasdair Malloy
  by artist: Leo Heppe
  by artist: Alexander Maly
  by artist: Régine Crespin
  by artist: Herbert Prikopa
  by artist: Wiener Philharmoniker
  by artist: Sir Georg Solti
  in album: Strauss, R.: Der Rosenkavalier
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: opera
  genre: orchestra
  isrc code: GBF076940305
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T16:21:19+00:00
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960138
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940305
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T19:35:34Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ca91d705606b95b5bfa70c29b202c47ef12b3990d0cf1a834cb7e12b446e7e. 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/GBF076940305.
    date published: 2026-07-29T19:35:34Z
  audio: Der Rosenkavalier, Op. 59 / Act 1: "Selbstverständlich empfängt mich Ihro Gnaden"
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track: Der Rosenkavalier, Op. 59 / Act 1: "Ich hab' ihn nicht einmal geküßt
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243866
  explicit: false
  by artist: Richard Strauss
  by artist: Régine Crespin
  by artist: Hans Pipal
  by artist: Adolf Tomaschek
  by artist: Alexander Maly
  by artist: Leo Heppe
  by artist: Wiener Philharmoniker
  by artist: Sir Georg Solti
  in album: Strauss, R.: Der Rosenkavalier
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: opera
  genre: orchestra
  isrc code: GBF076940315
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940315
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T08:38:45Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe318ed59e50046b2b419d44a6f93526d4b0e6b42d00d6f9113bca066356fd601. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940315.
    date published: 2026-07-31T08:38:45Z
  audio: Der Rosenkavalier, Op. 59 / Act 1: "Ich hab' ihn nicht einmal geküßt
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
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track: Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
track: Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
track: Der Rosenkavalier, Op. 59 / Act 3: "Leopold, wir gehn!"
track: Káta Kabanová / Act 3: Ptácci prileti na mohylu
track: Der Rosenkavalier, Op. 59, Act I: Selbstverständlich empfängt mich Ihro Gnaden
track: Der Rosenkavalier, Op. 59, Act I: Die Zeit, die ist ein sonderbar Ding – Mein schöner Schatz – ich werde jetzt

Energy
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value: 0.114

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type: PropertyValue
value: 0.922

Instrumentalness
type: PropertyValue
value: 0.137

Liveness
type: PropertyValue
value: 0.197

Valence (Positivity)
type: PropertyValue
value: 0.047

Loudness (dB)
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value: -22.765

Key Name
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Mode Name
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value: Major

Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
type: MusicRecording
duration: PT3M1S
duration ms: 181000
explicit: false
by artist: Richard Strauss
by artist: Anton Dermota
by artist: Adolf Tomaschek
by artist: Franz Setzer
by artist: Freidrich Strack
by artist: Nikolaus Simkovsky
by artist: Manfred Jungwirth
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940331
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:01:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3fb22e27138833450f005f01e1c3d2bc1dc25b16fb19f2cd1d3498fdb00df0f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940331
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb22e27138833450f005f01e1c3d2bc1dc25b16fb19f2cd1d3498fdb00df0f4. 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/GBF076940331.
  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.279
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
type: MusicRecording
duration: PT4M5S
duration ms: 245826
explicit: false
by artist: Richard Strauss
by artist: Manfred Jungwirth
by artist: Anne Howells
by artist: Yvonne Minton
by artist: Anton Dermota
by artist: Adolf Tomaschek
by artist: Franz Setzer
by artist: Freidrich Strack
by artist: Nikolaus Simkovsky
by artist: Murray Dickie
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:57:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbea9d709cc300af35a413032aeb529857bc0603a7c526cd853689ec58c93c305
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea9d709cc300af35a413032aeb529857bc0603a7c526cd853689ec58c93c305. 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/GBF076940334.
  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
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  additional property: Tempo (BPM)
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    type: PropertyValue
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    type: PropertyValue
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    type: PropertyValue
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    type: PropertyValue
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Der Rosenkavalier, Op. 59 / Act 3: "Leopold, wir gehn!"
type: MusicRecording
duration: PT2M16S
duration ms: 136053
explicit: false
by artist: Richard Strauss
by artist: Manfred Jungwirth
by artist: Anne Howells
by artist: Adolf Tomaschek
by artist: Franz Setzer
by artist: Freidrich Strack
by artist: Nikolaus Simkovsky
by artist: Anton Dermota
by artist: Murray Dickie
by artist: Hans Reautschigg
by artist: Helen Donath
by artist: Yvonne Minton
by artist: Régine Crespin
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:42:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd429a201c73dc8434f540213bd314859064abf3242dce8f4e9d2cb7ccc428882
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940340
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd429a201c73dc8434f540213bd314859064abf3242dce8f4e9d2cb7ccc428882. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940340.
  date published: 2026-07-30T09:57:33Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Leopold, wir gehn!"
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Káta Kabanová / Act 3: Ptácci prileti na mohylu
type: MusicRecording
duration: PT3M17S
duration ms: 197173
explicit: false
by artist: Leoš Janáček
by artist: Jaroslav Soucek
by artist: Elisabeth Söderström
by artist: Adolf Tomaschek
by artist: Dalibor Jedlicka
by artist: Jitka Pavlova
by artist: Vladimir Krejcik
by artist: Naděžda Kniplová
by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Charles Mackerras
in album: Janácek: Kát'a Kabanová
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audio: Káta Kabanová / Act 3: Ptácci prileti na mohylu
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Der Rosenkavalier, Op. 59, Act I: Selbstverständlich empfängt mich Ihro Gnaden
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Der Rosenkavalier, Op. 59, Act I: Die Zeit, die ist ein sonderbar Ding – Mein schöner Schatz – ich werde jetzt
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  date published: 2026-07-08T03:20:19Z
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