Michael Posch
type: MusicGroup
genre: medieval
popularity: 19
followers: 497
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51604aba3c8bd2624dd255289b4b295c77165db064297c62236fda591a5a301c. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b4df952-ce02-4752-8175-0ca1a5da91e9.json and https://artists.proofprofile.net/proofs/artist/4b4df952-ce02-4752-8175-0ca1a5da91e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
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album: Anonymous
  type: MusicAlbum
  date published: 2009-07-28
album: Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
  type: MusicAlbum
  date published: 2016-12-15
  track: Pulchra es amica mea aus der Marienvesper
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    by artist: Claudio Monteverdi
    by artist: Monika Mauch
    by artist: Nathalie Gaudefroy
    in album: Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
      type: MusicAlbum
      date published: 2016-12-15
    popularity: 4
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: italian-renaissance
    genre: madrigal
    genre: renaissance
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:53:27Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8160f7e047d644e0a4311442d12df1666e284fbcc4797dde08e5c7ba9737530e. 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/ATP571571020.
      date published: 2026-07-08T03:53:27Z
    audio: Pulchra es amica mea aus der Marienvesper
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        type: PropertyValue
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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album: Of Kings and Thrones - Classical Music of the Middle Ages
  type: MusicAlbum
  date published: 2014-03-25
  track: Cantiga 35: O que a Santa Maria (arr. J. Ferrero for chamber ensemble)
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    by artist: Jose Ferrero
    by artist: Capilla Antigua de Chinchilla
    in album: Of Kings and Thrones - Classical Music of the Middle Ages
      type: MusicAlbum
      date published: 2014-03-25
    popularity: 3
    genre: medieval
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa17630681ff4dc45d44cd3fe65c1c77b967664949ea13429537b46b0c96769f5. 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/HKI191156101.
      date published: 2026-07-08T03:53:27Z
    audio: Cantiga 35: O que a Santa Maria (arr. J. Ferrero for chamber ensemble)
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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  track: Dance of the forest of no return (13th century) (Stantipe II) (arr. J. Ferrero for chamber ensemble)
  track: Ave generosa
  track: Adorna Thalamum [Erfurt, 1301] (arr. C. Haas for chamber ensemble)
album: Early Music Recordings of Ensemble Unicorn, Vol. 1
album: Music of the Troubadours

Ai tal domna
type: MusicRecording
duration: PT3M26S
duration ms: 206706
explicit: false
by artist: Berenguier de Palou
by artist: Maria Lafitte
by artist: Unicorn Ensemble
by artist: Oni Wytars Ensemble
by artist: Michael Posch
in album: Music of the Troubadours
  type: MusicAlbum
  date published: 1999-02-19
popularity: 5
isrc code: HKI199703307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x864065c98c14a236d70689c37ad9c734975b7653808de2fe20a575dc2dbc10e0. 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/HKI199703307.
  date published: 2026-07-08T03:20:19Z
audio: Ai tal domna
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Tant m'abelis
type: MusicRecording
duration: PT4M55S
duration ms: 295626
explicit: false
by artist: Berenguier de Palou
by artist: Maria Lafitte
by artist: Unicorn Ensemble
by artist: Oni Wytars Ensemble
by artist: Michael Posch
in album: Music of the Troubadours
  type: MusicAlbum
  date published: 1999-02-19
popularity: 8
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74654d5b81d8a8cd343bef35b937ea27afe21f0e393466657968bd350a4f167a. 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/HKI199703301.
  date published: 2026-07-29T19:35:34Z
audio: Tant m'abelis
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Energy
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value: 0.14

Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
type: PropertyValue
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Loudness (dB)
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Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Dance of the forest of no return (13th century) (Stantipe II) (arr. J. Ferrero for chamber ensemble)
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duration: PT1M25S
duration ms: 85213
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by artist: Anonymous
by artist: Jose Ferrero
by artist: Capilla Antigua de Chinchilla
in album: Of Kings and Thrones - Classical Music of the Middle Ages
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popularity: 5
isrc code: HKI191156110
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff4038c204a057f74065fde862a890b0563c4451d4a569d199d03ef16ef7448. 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/HKI191156110.
  date published: 2026-07-08T03:20:19Z
audio: Dance of the forest of no return (13th century) (Stantipe II) (arr. J. Ferrero for chamber ensemble)
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Ave generosa
type: MusicRecording
duration: PT6M32S
duration ms: 392400
explicit: false
by artist: Hildegard von Bingen
by artist: Oxford Camerata
by artist: Jeremy Summerly
in album: Of Kings and Thrones - Classical Music of the Middle Ages
  type: MusicAlbum
  date published: 2014-03-25
popularity: 18
isrc code: HKI199593503
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199593503
additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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Adorna Thalamum [Erfurt, 1301] (arr. C. Haas for chamber ensemble)
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by artist: Ensemble Cosmedin
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Early Music Recordings of Ensemble Unicorn, Vol. 1
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Music of the Troubadours
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date published: 1999-02-19
track: Ai tal domna
track: Tant m'abelis