Mason Williams
type: MusicGroup
description: Mason Douglas Williams (born August 24, 1938) is an American classical guitarist, composer, singer, writer, comedian, and poet, best known for his 1968 instrumental "Classical Gas" and for his work as
popularity: 38
followers: 15071
additional property: CopyrightID
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additional property: OTSHash
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additional property: OTSRecordURL
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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 0xbfced6a627c378cfb76070d915cf87651a8e27831ffe0d975909c729479d68e9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cca1f4fd-4df6-4534-b78e-becc1444ed48.json and https://artists.proofprofile.net/proofs/artist/cca1f4fd-4df6-4534-b78e-becc1444ed48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: The Mason Williams Phonographic Record
  type: MusicAlbum
  date published: 1968
  track: Overture
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    by artist: Mason Williams
    in album: The Mason Williams Phonographic Record
      type: MusicAlbum
      date published: 1968
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    additional property: OTSTimestamp
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      value: 2026-07-18T23:33:54Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc07c0d73696723e99fd1dfbbc518c2c6f3c0fac10bb3cbd7772f76b178008c13. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/USWB10100639.
      date published: 2026-07-18T23:33:54Z
    audio: Overture
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  track: Wanderlove
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    by artist: Mason Williams
    in album: The Mason Williams Phonographic Record
      type: MusicAlbum
      date published: 1968
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T19:27:56Z
    audio: Wanderlove
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      additional property: Loudness (dB)
      additional property: Key Name
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  track: Long Time Blues
  track: Baroque-A-Nova
  track: Sunflower
album: The Mason Williams Ear Show
album: Classical Gas (Solo Version)
album: The Mason Williams Phonograph Record (Mono)
album: Music By Mason Williams
album: The Listening Matter
album: Hand Made
album: Sharepickers
album: Classical Gas
album: Music, 1968-1971
album: A Gift Of Song
album: L'art de la guitare à 12 Cordes
album: The Water Is Wide
album: Electrical Gas
album: Rhino Hi-Five: Mason Williams
album: Of Time & Rivers Flowing
album: O Christmas Three
album: The Listening Matter (Digitally Remastered)
album: Classical Gas (Performed Live On The Ed Sullivan Show/1969)
album: EP 2003 Music for the Epicurean Harkener
album: Weirdos After Midnight (feat. Byron Berline, John Hickman, Jerry Mills, Rick Cunha, Don Whaley & Hal Blaine)
album: They Went and Danced the Night Away
album: Fresh Fish
album: J. Edgar Swoop
album: Eddie I'm Ready (for Love) [feat. Evynne Hollens]
album: Triskelion (feat. David Bersch, Kate Kahn Williams & Michelle Van Handel)
album: Dinkin' Around (feat. Linda Duffy)
album: Skippin' Along On Top (feat. Byron Berline)
album: Cotton-Eyed Joe (feat. John Hickman & Byron Berline)
album: The Old Cane Press (feat. Byron Berline, John Hickman & Rick Cunha)
album: The Exciting Accident (feat. Rick Cunha, Byron Berline, Hal Blaine & Don Whaley)
album: Santa Fe Recital
album: Fettuccini Western (feat. Don Latarski)
album: Doot-Doot (feat. Art Maddox, Rick Cuhna, Thom Bergeron & Hal Blaine)
album: Cowboy Buckaroos (feat. Byron Berline, Hal Blaine, Rick Cunha, Jerry Mills, Skip Conover & Don Whaley)
album: Ghost Riders in the Sky
album: Monroe's Hornpipe (feat. Byron Berline, Jerry Mills, John Hickman, Rick Cunha, Don Whaley & Hal Blaine)
album: La Isla Bonita
album: Shenandoah
album: The Best Of… Instrumentals & Songs
album: Dreams of Snow and Mistletoe
album: Saturday Night at the World
album: Sunflower
album: Chico Hot Springs
album: La chanson de Claudine
album: Gypsy Noodle
album: Riding the Low Moon
album: Fettuccini Western
album: Waist Deep in the Big Muddy (Live)
album: Classical Gas - The Collection
track: Classical Gas

Loudness (dB)
type: PropertyValue
value: -16.76

Key Name
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value: Ab

Mode Name
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value: Minor

Long Time Blues
type: MusicRecording
duration: PT3M35S
duration ms: 215066
explicit: false
by artist: Mason Williams
in album: The Mason Williams Phonographic Record
  type: MusicAlbum
  date published: 1968
isrc code: USWB10100646
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
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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 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 0xdff41f936358400c7919748cfc1bb5624db655c6faa9459daecf6ef5b71ece43. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/USWB10100646.
  date published: 2026-07-21T13:14:05Z
audio: Long Time Blues
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    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Baroque-A-Nova
type: MusicRecording
duration: PT2M13S
duration ms: 133666
explicit: false
by artist: Mason Williams
in album: The Mason Williams Phonographic Record
  type: MusicAlbum
  date published: 1968
isrc code: USWB10100647
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T00:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66dd84a6ebe6f965bb8b000af3d9fa57d1980fd3fe68dd4a67fad658d7f1f527. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USWB10100647.
  date published: 2026-07-03T00:42:11Z
audio: Baroque-A-Nova
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    type: PropertyValue
    value: 0.029
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    type: PropertyValue
    value: -11.752
  additional property: Key Name
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    type: PropertyValue
    value: Minor

Sunflower
type: MusicRecording
duration: PT3M43S
duration ms: 223266
explicit: false
by artist: Mason Williams
in album: The Mason Williams Phonographic Record
  type: MusicAlbum
  date published: 1968
isrc code: USWB10100650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWB10100650
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T08:32:30Z
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 0x70b60156d2caa805280ae48a829658714ae4e0b3d879d0413af1efb7033f0a16. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), 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/USWB10100650.
  date published: 2026-07-20T08:32:30Z
audio: Sunflower
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    value: -23.318
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

The Mason Williams Ear Show
type: MusicAlbum
date published: 1968

Classical Gas (Solo Version)
type: MusicAlbum
date published: 1968

The Mason Williams Phonograph Record (Mono)
type: MusicAlbum
date published: 1968-02-01
track: Classical Gas
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182338
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    type: MusicAlbum
    date published: 1968-02-01
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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 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 0x503eca300c951096704899a65480ea25176b993cb7dee48715eb102007ed7373. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/USWB12000739.
    date published: 2026-07-20T07:48:27Z
  audio: Classical Gas
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 79.531
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.483
    additional property: Energy
      type: PropertyValue
      value: 0.776
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.791
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.841
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.691
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.614
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Music By Mason Williams
type: MusicAlbum
date published: 1969-03-13

The Listening Matter
type: MusicAlbum
date published: 1969-10-29

Hand Made
type: MusicAlbum
date published: 1970-03-10

Sharepickers
type: MusicAlbum
date published: 1971-10-01

Classical Gas
type: MusicAlbum
date published: 1987
track: Sunflower
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134333
  explicit: false
  by artist: Mason Williams
  in album: Classical Gas
    type: MusicAlbum
    date published: 1987
  isrc code: USAG20580002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:43:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde5fdd087db8dd41c371c2612bbfc67d9b0706461d4763f16507828231a85433
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20580002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T02:06:47Z
  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 0xde5fdd087db8dd41c371c2612bbfc67d9b0706461d4763f16507828231a85433. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/USAG20580002.
    date published: 2026-07-04T02:06:47Z
  audio: Sunflower
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 202.528
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.121
    additional property: Energy
      type: PropertyValue
      value: 0.184
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.32
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.542
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.083
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.719
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Samba Beach
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238360
  explicit: false
  by artist: Mason Williams
  in album: Classical Gas
    type: MusicAlbum
    date published: 1987
  isrc code: USAG20580003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T08:22:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8465c87a96e260c39fc887f16232920c37dbd6e774fda8f615a4cc13f2b5e17c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958268
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958268
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20580003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T11:24:42Z
  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 0x8465c87a96e260c39fc887f16232920c37dbd6e774fda8f615a4cc13f2b5e17c. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:24:42Z), 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/USAG20580003.
    date published: 2026-07-16T11:24:42Z
  audio: Samba Beach
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.855
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.713
    additional property: Energy
      type: PropertyValue
      value: 0.651
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.199
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.847
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Saturday Night at the World
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235960
  explicit: false
  by artist: Mason Williams
  in album: Classical Gas
    type: MusicAlbum
    date published: 1987
  isrc code: USAG20580005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T14:18:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd509c26126c8cba70596c5f79d6e6d7291d5f5240350263a0c864102ccac0383
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957863
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957863
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20580005
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Saturday Night at the World
track: Shady Dell
track: Greensleeves
track: Doot-Doot
track: Mccall
track: Vancouver is land
track: Baroque-A-Nova

OTSTimestamp
type: PropertyValue
value: 2026-07-13T14:41:15Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd509c26126c8cba70596c5f79d6e6d7291d5f5240350263a0c864102ccac0383. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USAG20580005.
date published: 2026-07-13T14:41:15Z

Saturday Night at the World
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 88.89
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.233
additional property: Energy
  type: PropertyValue
  value: 0.195
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.816
additional property: Instrumentalness
  type: PropertyValue
  value: 0.521
additional property: Liveness
  type: PropertyValue
  value: 0.106
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.198
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.978
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Shady Dell
type: MusicRecording
duration: PT3M24S
duration ms: 204933
explicit: false
by artist: Mason Williams
in album: Classical Gas
  type: MusicAlbum
  date published: 1987
isrc code: USAG20580006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T14:39:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bbc0a4c81ed6156142021e0cceb7642fddc65d997bb5406fb6d3f765523c208
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20580006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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 0x1bbc0a4c81ed6156142021e0cceb7642fddc65d997bb5406fb6d3f765523c208. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USAG20580006.
  date published: 2026-07-03T19:59:51Z
audio: Shady Dell
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.035
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.907
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.894
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Greensleeves
type: MusicRecording
duration: PT3M6S
duration ms: 186800
explicit: false
by artist: Mason Williams
in album: Classical Gas
  type: MusicAlbum
  date published: 1987
isrc code: USAG20198809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T12:09:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23cad51e1217be059463df5f4196945bda61ef6fd941b5494f474b0168d5fd56
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958547
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958547
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20198809
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:44:05Z
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 0x23cad51e1217be059463df5f4196945bda61ef6fd941b5494f474b0168d5fd56. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USAG20198809.
  date published: 2026-07-18T12:44:05Z
audio: Greensleeves
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.311
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.745
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.107
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.843
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.056
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Doot-Doot
type: MusicRecording
duration: PT2M7S
duration ms: 127933
explicit: false
by artist: Mason Williams
in album: Classical Gas
  type: MusicAlbum
  date published: 1987
isrc code: USAG20580009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T05:10:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99b38daaa321c275bdf5b4d8ec31b74f0688d23d8eb293226c85d292515d146b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958501
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958501
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20580009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T05:33:04Z
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 0x99b38daaa321c275bdf5b4d8ec31b74f0688d23d8eb293226c85d292515d146b. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/USAG20580009.
  date published: 2026-07-18T05:33:04Z
audio: Doot-Doot
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.077
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.57
  additional property: Energy
    type: PropertyValue
    value: 0.656
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.018
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.798
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.963
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.662
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mccall
type: MusicRecording
duration: PT2M41S
duration ms: 161026
explicit: false
by artist: Mason Williams
in album: Classical Gas
  type: MusicAlbum
  date published: 1987
isrc code: USAG20580011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T08:17:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x832263bcb9d1b81f224ce65141b2cfe106f7d7a0c2b6cc4260d97593ad62fb0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958985
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958985
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAG20580011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T11:20:36Z
additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T11:20:36Z
audio: Mccall
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Vancouver is land
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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 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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  date published: 2026-07-05T10:01:46Z
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Baroque-A-Nova
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by artist: Mason Williams
in album: Classical Gas
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  date published: 1987
isrc code: USAG20580013
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 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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  date published: 2026-07-21T03:51:22Z
audio: Baroque-A-Nova
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Music, 1968-1971
type: MusicAlbum
date published: 1992

A Gift Of Song
type: MusicAlbum
date published: 1992-01-01

L'art de la guitare à 12 Cordes
type: MusicAlbum
date published: 2000-12-31

The Water Is Wide
type: MusicAlbum
date published: 2003-11-12

Electrical Gas
type: MusicAlbum
date published: 2005

Rhino Hi-Five: Mason Williams
type: MusicAlbum
date published: 2005-10-18

The Listening Matter
type: MusicAlbum
date published: 2006

Of Time & Rivers Flowing
type: MusicAlbum
date published: 2009-12-03

O Christmas Three
type: MusicAlbum
date published: 2009-12-03

The Listening Matter (Digitally Remastered)
type: MusicAlbum
date published: 2009-12-08

Classical Gas (Performed Live On The Ed Sullivan Show/1969)
type: MusicAlbum
date published: 2010-01-01

EP 2003 Music for the Epicurean Harkener
type: MusicAlbum
date published: 2010-03-15
track: Flamenco Lingo
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T19:24:05Z
  audio: Flamenco Lingo
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The Listening Matter
type: MusicAlbum
date published: 2010-03-26

Weirdos After Midnight (feat. Byron Berline, John Hickman, Jerry Mills, Rick Cunha, Don Whaley & Hal Blaine)
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They Went and Danced the Night Away
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Fresh Fish
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J. Edgar Swoop
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Classical Gas
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date published: 2012-06-06
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-13T16:00:32Z
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Eddie I'm Ready (for Love) [feat. Evynne Hollens]
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Triskelion (feat. David Bersch, Kate Kahn Williams & Michelle Van Handel)
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Dinkin' Around (feat. Linda Duffy)
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Skippin' Along On Top (feat. Byron Berline)
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Cotton-Eyed Joe (feat. John Hickman & Byron Berline)
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date published: 2012-12-04

The Old Cane Press (feat. Byron Berline, John Hickman & Rick Cunha)
type: MusicAlbum
date published: 2012-12-07

The Exciting Accident (feat. Rick Cunha, Byron Berline, Hal Blaine & Don Whaley)
type: MusicAlbum
date published: 2012-12-12

Santa Fe Recital
type: MusicAlbum
date published: 2013-02-01

Fettuccini Western (feat. Don Latarski)
type: MusicAlbum
date published: 2013-02-14

Doot-Doot (feat. Art Maddox, Rick Cuhna, Thom Bergeron & Hal Blaine)
type: MusicAlbum
date published: 2013-03-06

Cowboy Buckaroos (feat. Byron Berline, Hal Blaine, Rick Cunha, Jerry Mills, Skip Conover & Don Whaley)
type: MusicAlbum
date published: 2013-03-08

Ghost Riders in the Sky
type: MusicAlbum
date published: 2013-04-09

Monroe's Hornpipe (feat. Byron Berline, Jerry Mills, John Hickman, Rick Cunha, Don Whaley & Hal Blaine)
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date published: 2013-04-09

La Isla Bonita
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date published: 2014-12-15

La Isla Bonita
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date published: 2014-12-15

Shenandoah
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The Best Of… Instrumentals & Songs
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date published: 2015-07-24

Dreams of Snow and Mistletoe
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date published: 2015-10-09

Saturday Night at the World
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date published: 2016-03-14

Sunflower
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date published: 2016-03-14

Chico Hot Springs
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date published: 2016-10-07

Classical Gas
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date published: 2018-01-22

La chanson de Claudine
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date published: 2018-05-08

Gypsy Noodle
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date published: 2018-09-07

Riding the Low Moon
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date published: 2018-10-23

Fettuccini Western
type: MusicAlbum
date published: 2019-01-14

Waist Deep in the Big Muddy (Live)
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date published: 2019-01-24

Classical Gas - The Collection
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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Classical Gas
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duration ms: 178026
explicit: false
by artist: Mason Williams
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cdaafb4083488a26c93017b03d8d135c169abff5856968259490eb6936e9ada. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/US3M50122603.
  date published: 2026-07-02T03:30:09Z
audio: Classical Gas
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.895
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.47
  additional property: Energy
    type: PropertyValue
    value: 0.746
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.482
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.793
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.603
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.969
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Classical Gas
type: MusicRecording
duration: PT3M24S
duration ms: 204200
explicit: false
by artist: Mason Williams
by artist: Vanessa-Mae
by artist: Mike Batt
in album: The Violin Player
  type: MusicAlbum
  date published: 1995-01-01
isrc code: GBAYD9400035
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T10:30:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7890f7f0765152f56fae6742c50edf23b8f5dacb7e4c4aaa54a5ba64f974d2ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
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/GBAYD9400035
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 0x7890f7f0765152f56fae6742c50edf23b8f5dacb7e4c4aaa54a5ba64f974d2ef. 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/GBAYD9400035.
  date published: 2026-06-13T13:32:09Z
audio: Classical Gas
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.886
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.716
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.148
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.448
  additional property: Liveness
    type: PropertyValue
    value: 0.332
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.602
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.035
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor