Felix Arndt
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genre: ragtime
description: thumb|Portrait of Felix Arndt from the Library of Congress thumb|200px|right|"Nola" sheet music cover Felix Arndt (May 20, 1889October 16, 1918) was an American pianist and composer of popular music.
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album: Paraphrase. Opera and Ballet Piano Transcriptions. Visions from the Golden Age
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album: Soiree un Baile en el Porfiriato
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  track: Flores de México, Polka
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album: American Light Music Classics
album: Classical Music to Lift Your Spirits Vol. 2
album: Zephrys. Piano Evocations from the Golden Age
album: Le Vent Dans La Plaine. Debussy, Beethoven, Mozart and Legacy.
album: 'The Golden Age of Light Music: British Cinema and Theatre Orchestras
album: The Big Broadcast, Vol. 9
album: Salongsmusik nr 2 (Salon Music)
album: Alouettes. Piano Revelations from the Golden Age
album: Les Années folles
album: Am Stillen Herd. Opera Transcriptions from the Golden Age
album: The Happy Piano
album: DORSEY, Tommy: Music Maestro, Please (1935-1939)
album: Ragtime for Dance
album: Calliope Music and Arrangements - Wagner, J.F. / Sousa, J.P. / Abrahams, M. / Massey, G. / Arndt, F. / Bowman, E. (Circus Music for Calliope)
album: Morley and Gearhart Rediscovered
album: Victor Borge: Live!
album: Novelty Piano Recordings (1912-1928)
album: Ritmos do Brasil
album: Die Loreley. Piano Music by Beethoven, Liszt and Scriabin
album: Starlight classic (Xylophone)
album: Serene Nights
album: 爵士經典咖啡館 鋼琴輕音樂
album: Piano Pour Films Muets - Music For Silent Movies Vol.3
album: Kroumata Percussion Ensemble: Encores
album: The Eloquent Saxophone
album: I'll Dance Till De Sun Breaks Through
album: I Lift My Lamp
album: Ragtime Kings, 1900 - 1930
album: Polka
album: I'll Dance Till De Sun Breaks Through: Ragtime, Cakewalks And Stomps
album: Bonbons for Organ
album: American Piano Rags, Vol. 1
album: Desecration Rag

Nola "A Silhouette" (Arr. Zamecnik)
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by artist: Felix Arndt
by artist: New London Orchestra
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  date published: 1998-06-01
popularity: 1
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Nola - Arr. for Guitar Quartet by Timothy Kain
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Nola, "A Silhouette for Piano"
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Comedy in Music, Part II - Voice
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by artist: Felix Arndt
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audio: Comedy in Music, Part II - Voice
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    value: 0.56
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.96
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.781
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM10411136
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960321
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10411136
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
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

Acousticness
type: PropertyValue
value: 0.765

Instrumentalness
type: PropertyValue
value: 0.316

Liveness
type: PropertyValue
value: 0.085

Valence (Positivity)
type: PropertyValue
value: 0.901

Loudness (dB)
type: PropertyValue
value: -13.237

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

American Light Music Classics
type: MusicAlbum
date published: 1998-06-01
track: The Whistler and His Dog
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170000
  explicit: false
  by artist: Arthur Pryor
  by artist: Ronald Corp
  by artist: New London Orchestra
  by artist: Jennifer Welch
  in album: American Light Music Classics
    type: MusicAlbum
    date published: 1998-06-01
  popularity: 3
  genre: ragtime
  isrc code: GBAJY9806705
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:15:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16171bf382223e9b7f5ab2cac7dafcf2dd6ff52798d1b6563813e017328696bb
  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/GBAJY9806705
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16171bf382223e9b7f5ab2cac7dafcf2dd6ff52798d1b6563813e017328696bb. 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/GBAJY9806705.
    date published: 2026-07-08T03:20:19Z
  audio: The Whistler and His Dog
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.245
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.502
    additional property: Energy
      type: PropertyValue
      value: 0.05
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.752
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.011
    additional property: Liveness
      type: PropertyValue
      value: 0.202
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.62
    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.959
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Holiday for Strings
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194493
  explicit: false
  by artist: David Rose
  by artist: New London Orchestra
  by artist: Ronald Corp
  in album: American Light Music Classics
    type: MusicAlbum
    date published: 1998-06-01
  popularity: 3
  genre: exotica
  isrc code: GBAJY9806716
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T22:54:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x04a12aabaa4a35c2352c1da269253aebbe1c3840019d47077666cf7a0c4c1baa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9806716
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a12aabaa4a35c2352c1da269253aebbe1c3840019d47077666cf7a0c4c1baa. 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/GBAJY9806716.
    date published: 2026-07-08T03:53:27Z
  audio: Holiday for Strings
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.878
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.322
    additional property: Energy
      type: PropertyValue
      value: 0.041
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.899
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.803
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.27
    additional property: Loudness (dB)
      type: PropertyValue
      value: -32.215
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Symphony No. 5½ "A Symphony for Fun": I. Perpetual Emotion
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217240
  explicit: false
  by artist: Don Gillis
  by artist: New London Orchestra
  by artist: Ronald Corp
  in album: American Light Music Classics
    type: MusicAlbum
    date published: 1998-06-01
  popularity: 2
  isrc code: GBAJY9806718
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:17:13+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 5½ "A Symphony for Fun": I. Perpetual Emotion
track: Symphony No. 5½ "A Symphony for Fun": II. Spiritual?
track: Nola "A Silhouette" (Arr. Zamecnik)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xee413b56a07135bf53936b6a49a49fb18aacde24a318e5d6525491dad379b421

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9806718

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee413b56a07135bf53936b6a49a49fb18aacde24a318e5d6525491dad379b421. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBAJY9806718.
date published: 2026-07-08T03:22:41Z

Symphony No. 5½ "A Symphony for Fun": I. Perpetual Emotion
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 156.672
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.313
additional property: Energy
  type: PropertyValue
  value: 0.256
additional property: Speechiness
  type: PropertyValue
  value: 0.04
additional property: Acousticness
  type: PropertyValue
  value: 0.85
additional property: Instrumentalness
  type: PropertyValue
  value: 0.826
additional property: Liveness
  type: PropertyValue
  value: 0.154
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.408
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.95
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Symphony No. 5½ "A Symphony for Fun": II. Spiritual?
type: MusicRecording
duration: PT3M30S
duration ms: 210266
explicit: false
by artist: Don Gillis
by artist: Ronald Corp
by artist: New London Orchestra
in album: American Light Music Classics
  type: MusicAlbum
  date published: 1998-06-01
popularity: 2
isrc code: GBAJY9806719
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:00:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2eff6204155a07d0fc82da117e4b2eedc9d9e82ebe572a72e5877a527628600
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9806719
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0xe2eff6204155a07d0fc82da117e4b2eedc9d9e82ebe572a72e5877a527628600. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBAJY9806719.
  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 5½ "A Symphony for Fun": II. Spiritual?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.983
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.099
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.707
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.122
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.765
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Classical Music to Lift Your Spirits Vol. 2
type: MusicAlbum
date published: 2022-10-14
track: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250813
  explicit: false
  by artist: Edvard Grieg
  by artist: Tasmanian Symphony Orchestra
  by artist: Sebastian Lang-Lessing
  in album: Classical Music to Lift Your Spirits Vol. 2
    type: MusicAlbum
    date published: 2022-10-14
  popularity: 9
  genre: classical
  genre: late-romantic-era
  genre: norwegian-classical
  isrc code: AUAB01150627
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:45:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa98e30df70ca78242a368c94b011cff2fdfcf0b9eab8d9c4baeeb4da4493fd21
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956312
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01150627
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  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 0xa98e30df70ca78242a368c94b011cff2fdfcf0b9eab8d9c4baeeb4da4493fd21. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/AUAB01150627.
    date published: 2026-07-02T05:09:12Z
  audio: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.626
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.145
    additional property: Energy
      type: PropertyValue
      value: 0.038
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.946
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.033
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.732
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Love Me Sweet - Arr. for Oboe by Carl Vine
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216426
  explicit: false
  by artist: Carl Vine
  by artist: Diana Doherty
  by artist: Sinfonia Australis
  by artist: Mark Summerbell
  in album: Classical Music to Lift Your Spirits Vol. 2
    type: MusicAlbum
    date published: 2022-10-14
  popularity: 3
  genre: australian-classical
  isrc code: AUAB00350205
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T23:46:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x35d80c8b03c50229bb2d899b7ecb0074a0abf19699797da530cd631f258668e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00350205
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 0x35d80c8b03c50229bb2d899b7ecb0074a0abf19699797da530cd631f258668e0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/AUAB00350205.
    date published: 2026-07-08T03:22:41Z
  audio: Love Me Sweet - Arr. for Oboe by Carl Vine
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.11
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.12
    additional property: Energy
      type: PropertyValue
      value: 0.075
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.966
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.875
    additional property: Liveness
      type: PropertyValue
      value: 0.128
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.923
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Wedding Day at Troldhaugen, Op. 65 No. 6
  type: MusicRecording
  duration: PT6M19S
  duration ms: 379573
  explicit: false
  by artist: Edvard Grieg
  by artist: Tasmanian Symphony Orchestra
  by artist: Sebastian Lang-Lessing
  in album: Classical Music to Lift Your Spirits Vol. 2
    type: MusicAlbum
    date published: 2022-10-14
  popularity: 4
  genre: classical
  genre: late-romantic-era
  genre: norwegian-classical
  isrc code: AUAB01150640
  additional property: CopyrightID
  additional property: CopyrightStatus
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track: The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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OpenTimestamps Proof of Existence
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Wedding Day at Troldhaugen, Op. 65 No. 6
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On the Beautiful Blue Danube – Waltz, Op. 314 - Excerpt
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subject of: OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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audio: The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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Spartacus Suite No. 2: Adagio of Spartacus and Phrygia
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Brightness in the Hills
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Zephrys. Piano Evocations from the Golden Age
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Le Vent Dans La Plaine. Debussy, Beethoven, Mozart and Legacy.
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'The Golden Age of Light Music: British Cinema and Theatre Orchestras
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The Big Broadcast, Vol. 9
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Salongsmusik nr 2 (Salon Music)
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Alouettes. Piano Revelations from the Golden Age
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Les Années folles
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Am Stillen Herd. Opera Transcriptions from the Golden Age
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The Happy Piano
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Always Look On the Bright Side of Life (From "Life of Brian")
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DORSEY, Tommy: Music Maestro, Please (1935-1939)
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Ragtime for Dance
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  subject of: OpenTimestamps Proof of Existence
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track: Nola, "A Silhouette for Piano"

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In The Good Old Summer Time
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Morley and Gearhart Rediscovered
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Victor Borge: Live!
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Novelty Piano Recordings (1912-1928)
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Ritmos do Brasil
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Die Loreley. Piano Music by Beethoven, Liszt and Scriabin
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Starlight classic (Xylophone)
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Serene Nights
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爵士經典咖啡館 鋼琴輕音樂
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Piano Pour Films Muets - Music For Silent Movies Vol.3
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Kroumata Percussion Ensemble: Encores
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The Eloquent Saxophone
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I'll Dance Till De Sun Breaks Through
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I Lift My Lamp
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Ragtime Kings, 1900 - 1930
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Polka
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I'll Dance Till De Sun Breaks Through: Ragtime, Cakewalks And Stomps
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Bonbons for Organ
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American Piano Rags, Vol. 1
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Desecration Rag
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