Maria Armanda
type: MusicGroup
genre: fado
description: Armanda Maria De Jesus Lopes, better known as Maria Armanda, is a former Portuguese child singing sensation. She was 5 years old when she topped the charts in 1981 with her single "Eu vi um sapo". In
popularity: 3
followers: 1350
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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3806803a-5b7b-4084-b130-99f74b9280f5
additional property: OTSTimestamp
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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 0x8069ac39b0513d91127896a6a1f19e1bcf364a7133c246c15dd35454e627449a. Chain 2 (Bitcoin): anchored in block 954023 (2026-06-16T23:57:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3806803a-5b7b-4084-b130-99f74b9280f5.json and https://artists.proofprofile.net/proofs/artist/3806803a-5b7b-4084-b130-99f74b9280f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T23:57:23Z
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album: Colecção Fado, Vol. 3
  type: MusicAlbum
  date published: 2020-04-01
album: Fado & Sardinhas
  type: MusicAlbum
  date published: 2020-03-01
album: Fado do Eléctrico (Lisboa)
  type: MusicAlbum
  date published: 2020-02-01
  track: Foste Só Quem Deus Te Fez
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    by artist: Jorge Fernando
    in album: Fado do Eléctrico (Lisboa)
      type: MusicAlbum
      date published: 2020-02-01
    popularity: 0
    genre: fado
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTCN10400340
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    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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      encoding format: application/vnd.opentimestamps.ots
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      date published: 2026-07-02T03:30:09Z
    audio: Foste Só Quem Deus Te Fez
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      additional property: Danceability
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      additional property: Liveness
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      additional property: Valence (Positivity)
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album: Original Fado de Lisboa
  type: MusicAlbum
  date published: 2012-06-29
album: Fado - Special Edition World Heritage Vol.2
  type: MusicAlbum
  date published: 2013-11-01
album: Lisboa
  type: MusicAlbum
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album: Fado Património da Humanidade Vol. 2
  type: MusicAlbum
  date published: 2013-11-01
album: Colecção Fado, Vol. 6
  type: MusicAlbum
  date published: 2020-04-01
album: Ladies Of Fado
  type: MusicAlbum
  date published: 2010-12-01
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    type: MusicRecording
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    explicit: false
    by artist: Cristina Branco
    in album: Ladies Of Fado
      type: MusicAlbum
      date published: 2010-12-01
    popularity: 13
    genre: fado
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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/USA371182484
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 0x06f5a2dbde7e570e235ffc89615d9a9f15dec9a9bcea15265fcd802a0c811c48. 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/USA371182484.
      date published: 2026-07-02T03:55:08Z
    audio: Ai Vida
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
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      additional property: Valence (Positivity)
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      additional property: Key Name
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  track: Lusitana Paixao
album: Só Fados
album: Fado Capital - A Essência do Fado
album: Fado Capital
album: Fado Património
album: Fado Capital 3
album: O Fado de Maria Armanda
album: Pedrito de Portugal
album: Simplesmente
album: Ronda do Fado (Amor Somente)
album: Este Fado que eu Amo
album: Portugal Mix, Vol. 2
album: Grandes Marchas Populares
album: Viva Portugal. Grandes Marchas Populares
album: Este Fado Que Eu Amo Vol. I
album: Casa do Fado (Portugal)
album: Viva Portugal. O Grande Disco do Fado, Vol. 2
album: A Magia do Fado, Vol. II
album: Canções do Mar
album: O Álbum Prateado do Fado, Vol. 1
album: O Álbum Prateado do Fado, Vol. 2
album: Fado Capital 1 (Remastered)
album: O Fado Mora Em Lisboa
album: Este Fado Que Eu Amo Vol. II
album: Fado Original: Pedaços de Vida
album: A Magia do Fado Vol. II
album: Canções Floridas
album: Oceanos
album: A Magia do Fado Vol. I
album: Ronda do Fado (Coisas do Fado)
album: Tudo Isto É Fado Vol. 2
album: A Canção de Portugal - O Fado (Fado'S Retratos)

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.509

Energy
type: PropertyValue
value: 0.095

Speechiness
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Acousticness
type: PropertyValue
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Instrumentalness
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value: 0

Liveness
type: PropertyValue
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Valence (Positivity)
type: PropertyValue
value: 0.093

Loudness (dB)
type: PropertyValue
value: -15.986

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Lusitana Paixao
type: MusicRecording
duration: PT3M46S
duration ms: 226533
explicit: false
by artist: Dulce Pontes
in album: Ladies Of Fado
  type: MusicAlbum
  date published: 2010-12-01
popularity: 25
isrc code: USA371182512
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371182512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0xa45ca65d130b0b512b70103d33dc8288cb1f5a8260ddbd7817087bea30280e68. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA371182512.
  date published: 2026-06-13T13:32:09Z
audio: Lusitana Paixao
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.319
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.676
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Só Fados
type: MusicAlbum
date published: 1994-08-01

Fado Capital - A Essência do Fado
type: MusicAlbum
date published: 2008

Fado Capital
type: MusicAlbum
date published: 2006-08-22

Fado Património
type: MusicAlbum
date published: 2020-05-01

Fado Capital 3
type: MusicAlbum
date published: 2006-08-22

O Fado de Maria Armanda
type: MusicAlbum
date published: 2016

Pedrito de Portugal
type: MusicAlbum
date published: 1995

Simplesmente
type: MusicAlbum
date published: 1991-05-17

Ronda do Fado (Amor Somente)
type: MusicAlbum
date published: 2020-02-01
track: Grão de Arroz
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178990
  explicit: false
  by artist: Maria Ana Bobone
  in album: Ronda do Fado (Amor Somente)
    type: MusicAlbum
    date published: 2020-02-01
  genre: fado
  isrc code: PTCN19400113
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x52527d95826eba70fcd3f9f20a0d39794c8cfbb1a75d6028a5bf02c302161046
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTCN19400113
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0x52527d95826eba70fcd3f9f20a0d39794c8cfbb1a75d6028a5bf02c302161046. 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/PTCN19400113.
    date published: 2026-07-02T03:55:08Z
  audio: Grão de Arroz
    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
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    additional property: Danceability
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.244
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Este Fado que eu Amo
type: MusicAlbum
date published: 2005-01-01
track: Fado e Toiros
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137044
  explicit: false
  by artist: Manuel De Almeida
  in album: Este Fado que eu Amo
    type: MusicAlbum
    date published: 2005-01-01
  popularity: 6
  genre: fado
  isrc code: PTOV10400218
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T05:23:22+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV10400218
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x51c00751923cfa29bb1e273189c5d611edaec0e3680dba2142d9d6900566eed1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/PTOV10400218.
    date published: 2026-07-06T06:56:49Z
  audio: Fado e Toiros
    type: AudioObject
    additional property: Tempo (BPM)
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      type: PropertyValue
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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
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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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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Portugal Mix, Vol. 2
type: MusicAlbum
date published: 1990-03-09

Grandes Marchas Populares
type: MusicAlbum
date published: 2007-05-01

Viva Portugal. Grandes Marchas Populares
type: MusicAlbum
date published: 1995-06-09

Este Fado Que Eu Amo Vol. I
type: MusicAlbum
date published: 2012-03-26

Casa do Fado (Portugal)
type: MusicAlbum
date published: 2006-04-26

Viva Portugal. O Grande Disco do Fado, Vol. 2
type: MusicAlbum
date published: 1997-11-07

A Magia do Fado, Vol. II
type: MusicAlbum
date published: 2001-01-01

Canções do Mar
type: MusicAlbum
date published: 2012-02-13

O Álbum Prateado do Fado, Vol. 1
type: MusicAlbum
date published: 2020-06-01

O Álbum Prateado do Fado, Vol. 2
type: MusicAlbum
date published: 2020-06-01

Fado Capital 1 (Remastered)
type: MusicAlbum
date published: 2013-11-04

O Fado Mora Em Lisboa
type: MusicAlbum
date published: 2006-08-22

Este Fado Que Eu Amo Vol. II
type: MusicAlbum
date published: 2005

Fado Original: Pedaços de Vida
type: MusicAlbum
date published: 2012-03-29

A Magia do Fado Vol. II
type: MusicAlbum
date published: 2012-03-29

Canções Floridas
type: MusicAlbum
date published: 2012-02-10

Oceanos
type: MusicAlbum
date published: 2006-08-22

A Magia do Fado Vol. I
type: MusicAlbum
date published: 2012-03-29

Ronda do Fado (Coisas do Fado)
type: MusicAlbum
date published: 2020-02-01

Tudo Isto É Fado Vol. 2
type: MusicAlbum
date published: 2006-08-15

A Canção de Portugal - O Fado (Fado'S Retratos)
type: MusicAlbum
date published: 2004