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type: MusicGroup
popularity: 11
followers: 896
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additional property: OTSVerifyInstructions
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  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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  date published: 2026-06-14T06:21:39Z
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album: Gallardo del Rey: Canción de cuna
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  date published: 2024-02-23
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    by artist: José Maria Gallardo del Rey
    by artist: Elina Garanca
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      type: MusicAlbum
      date published: 2024-02-23
    popularity: 4
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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
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      date published: 2026-07-08T03:53:27Z
    audio: Canción de cuna
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album: Parra: Gracias a la vida (Arr. del Rey)
  type: MusicAlbum
  date published: 2019-05-03
album: 50 Años No Es Nada
  type: MusicAlbum
  date published: 2019-03-01
  track: Concierto De Aranjuez: 2. Adagio
  track: Milonga del Angel
  track: Concertino Para Guitarra Y Orquesta En La Menor (Opus 72. II Romanza, Andante Molto Cantabile)
album: Diego Araciel: Obras de Cámara para Cuerdas (El Patrimonio Musical Hispano 32)
  type: MusicAlbum
  date published: 2014-01-31
album: The Trees Speak
  type: MusicAlbum
  date published: 2004-01-01
  track: Adios Nonino
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      type: MusicAlbum
      date published: 2004-01-01
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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
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      date published: 2026-07-08T03:22:41Z
    audio: Adios Nonino
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album: Caprichos Líricos Españoles
album: Introduction & Fandango
track: Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
track: Canciones clásicas españolas - arranged by Juan Carlos Cuello: El vito
track: Canción de cuna
track: Mersedesa (Transcr. for Mezzosoprano, Guitar and Piano)
track: La Llorona (Arr. del Rey)
track: Canción del amor
track: Siete canciones populares españolas - arranged by José Maria Gallardo del Rey: IV. Jota
track: Canción de cuna para dormir a un negrito (Transcr. for Mezzosoprano and Guitar)
track: Nana Criolla
track: Gracias a la vida (Arr. del Rey)
track: Maria de Buenos Aires: Yo soy María (Arr. del Rey)

Concierto De Aranjuez: 2. Adagio
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duration: PT10M31S
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by artist: Joaquín Rodrigo
by artist: José Maria Gallardo del Rey
by artist: Orquesta Nacional De España
by artist: Rafael Frühbeck de Burgos
in album: 50 Años No Es Nada
  type: MusicAlbum
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isrc code: ES33S1500077
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concierto De Aranjuez: 2. Adagio
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Milonga del Angel
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duration: PT6M12S
duration ms: 372524
explicit: false
by artist: Astor Piazzolla
by artist: José Maria Gallardo del Rey
in album: 50 Años No Es Nada
  type: MusicAlbum
  date published: 2019-03-01
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Milonga del Angel
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additional property: OTSVerificationAPI
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Concertino Para Guitarra Y Orquesta En La Menor (Opus 72. II Romanza, Andante Molto Cantabile)
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duration: PT4M58S
duration ms: 298891
explicit: false
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by artist: José Maria Gallardo del Rey
by artist: Orquesta Sinfonica de la Radio Television Espanola
by artist: Michel Tabachnik
in album: 50 Años No Es Nada
  type: MusicAlbum
  date published: 2019-03-01
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:07:37Z
audio: Concertino Para Guitarra Y Orquesta En La Menor (Opus 72. II Romanza, Andante Molto Cantabile)
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additional property: OTSVerificationAPI
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Canción del amor
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duration: PT3M45S
duration ms: 225906
explicit: false
by artist: José Maria Gallardo del Rey
by artist: Elina Garanca
by artist: Alberto Barletta
by artist: Enrico Maria Baroni
by artist: Geri Brown
by artist: Massimo Macri
by artist: Cesare Maghenzani
by artist: Roberto Vozmediano
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  date published: 2010-01-01
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:09:33Z
audio: Canción del amor
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Siete canciones populares españolas - arranged by José Maria Gallardo del Rey: IV. Jota
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duration: PT2M59S
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by artist: Elina Garanca
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Siete canciones populares españolas - arranged by José Maria Gallardo del Rey: IV. Jota
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Canción de cuna para dormir a un negrito (Transcr. for Mezzosoprano and Guitar)
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explicit: false
by artist: Xavier Montsalvatge
by artist: Elina Garanca
by artist: José Maria Gallardo del Rey
in album: When Night Falls ...
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genre: spanish-classical
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  date published: 2026-07-31T00:26:26Z
audio: Canción de cuna para dormir a un negrito (Transcr. for Mezzosoprano and Guitar)
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Nana Criolla
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explicit: false
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by artist: Elina Garanca
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audio: Nana Criolla
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Gracias a la vida (Arr. del Rey)
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by artist: Elina Garanca
by artist: Johanne-Valerie Gelinas
by artist: Diego Val
by artist: Francisco Navarro
by artist: José Maria Gallardo del Rey
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  date published: 2026-07-29T21:13:37Z
audio: Gracias a la vida (Arr. del Rey)
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Maria de Buenos Aires: Yo soy María (Arr. del Rey)
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by artist: Elina Garanca
by artist: Juraj Cismarovic
by artist: Adrian Marrero
by artist: Adriana Ilieva
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by artist: Hans Stockhausen
by artist: Johanne-Valerie Gelinas
by artist: Francisco Navarro
by artist: Nauzet Mederos
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:58:01Z
audio: Maria de Buenos Aires: Yo soy María (Arr. del Rey)
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Speechiness
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Acousticness
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Instrumentalness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Caprichos Líricos Españoles
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Introduction & Fandango
type: MusicAlbum
date published: 2023-04-25

Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
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Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
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Canciones clásicas españolas - arranged by Juan Carlos Cuello: El vito
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Canción de cuna
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe0d8a104299ac8358f08bcae64b026e83181e7264eff3d1549fb522628b8a0. 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/DEN962303270.
  date published: 2026-07-08T03:53:27Z
audio: Canción de cuna
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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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Mersedesa (Transcr. for Mezzosoprano, Guitar and Piano)
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duration ms: 290346
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by artist: Raimonds Pauls
by artist: Elina Garanca
by artist: José Maria Gallardo del Rey
in album: When Night Falls ...
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  date published: 2024-03-15
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additional property: OTSBitcoinBlockVerifyURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1decb7e1c65cc16fdc98d597ec21c1960c791cec3ac86f904f0c4d3a6f17e39. 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/DEN962303280.
  date published: 2026-07-08T03:53:27Z
audio: Mersedesa (Transcr. for Mezzosoprano, Guitar and Piano)
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  additional property: Acousticness
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La Llorona (Arr. del Rey)
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duration: PT5M38S
duration ms: 338666
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by artist: Traditional
by artist: Elina Garanca
by artist: José Maria Gallardo del Rey
in album: Sol y Vida
  type: MusicAlbum
  date published: 2019-05-10
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
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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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e6b353952bf5a4346e62ecabdb6bd79ada9a32ac10ceaee3d76d22e6988f9e. 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/DEN961900390.
  date published: 2026-07-08T03:53:27Z
audio: La Llorona (Arr. del Rey)
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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
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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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    type: PropertyValue
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  additional property: Liveness
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