Alex Klein
type: MusicGroup
genre: chamber music
description: Alex Klein (born 1964, Porto Alegre, Brazil) is an oboist. Klein joined the Chicago Symphony Orchestra as principal oboe at age 30 in 1995. He won the 2002 Grammy Award for Best Instrumental soloist
popularity: 16
followers: 1300
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album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
  track: Canção Pequena (Arr. for Oboe & Harp)
  track: 3 Songs, Op. 7: No. 1, Après un rêve (Arr. for Oboe & Harp)
  track: Meditation from Thaïs (Arr. for Oboe & Harp)
  track: 7 Canciones populares Españolas (Excerpts Arr. for Oboe & Harp): No. 5, Nana
  track: Rêverie, L. 68 (Arr. S. Jolles & H. Lucarelli for Oboe & Harp)
  track: Beau Soir, L. 6 (Arr. for Oboe & Harp)
  track: Vocalise, Op. 34 No. 14 (Arr. for Oboe & Harp)
  track: Adagio (Arr. for Oboe & Harp)
  track: 2 Arabesques, L. 66: No. 1, Andantino con moto (Arr. A. Klein for Oboe & Harp)
  track: Sicilienne, Op. 78 (Arr. for Oboe & Harp)
  track: Oblivion (Arr. A. Klein for Oboe & Harp)
  track: Tanti anni prima (Arr. A. Klein for Oboe & Harp)
album: When There Are No Words: Revolutionary Works for Oboe & Piano
  type: MusicAlbum
  date published: 2022-03-11
album: Twentieth Century Oboe Sonatas
  type: MusicAlbum
  date published: 2019-04-12
album: L' histoire du soldat (The Soldier's Tale)
  type: MusicAlbum
  date published: 2013-07-25
album: Vivaldi: Oboe Concertos
  type: MusicAlbum
  date published: 2010-09-28
album: Twentieth Century Oboe Concertos
  type: MusicAlbum
  date published: 2000-01-01
  track: Oboe Concerto, H. 353: II. Poco Andante
  track: Oboe Concerto, H. 353: I. Moderato
  track: Oboe Concerto: II. Seresta
  track: Oboe Concerto, H. 353: III. Poco Allegro
album: Krommer: Oboe Concertos Nos. 1 and 2 / Hummel: Introduction, Theme and Variations
  type: MusicAlbum
  date published: 2000-01-01
  track: Oboe Concerto No. 2 in F Major, Op. 52: I. Allegro
  track: Introduction, Theme and Variations in F Major, Op. 102
  track: Oboe Concerto No. 1in F Major, Op. 37: I. Allegro
  track: Oboe Concerto No. 1in F Major, Op. 37: II. Adagio
  track: Oboe Concerto No. 1in F Major, Op. 37: III. Rondo: Allegro
  track: Oboe Concerto No. 2 in F Major, Op. 52: II. Adagio
  track: Oboe Concerto No. 2 in F Major, Op. 52: III. Rondo
album: Chamber Music - Klughardt, A. / Loeffler, C. M. / White, F. / Hindemith, P. (Alex Klein, Richard Young, Ricardo Castro) (Poetic Inspirations)
  type: MusicAlbum
  date published: 2000-01-01
album: Brahms / Joachim: Violin Concertos
  type: MusicAlbum
  date published: 2000-01-01
album: The Greatest Works Schubert (N) ever Wrote for the Oboe
  type: MusicAlbum
  date published: 1999-06-01
album: Fantasies and Partitas
  type: MusicAlbum
  date published: 1999-06-01
album: Song Without Words (Version for Oboe & Piano)
  type: MusicAlbum
  date published: 2022-03-11
album: Liquid Melancholy: Clarinet Music of James M Stephenson
  type: MusicAlbum
  date published: 2018-04-13
album: Aria: The Music of Michael Cohen
  type: MusicAlbum
  date published: 2024-01-05
album: David Stock: Concertos
  type: MusicAlbum
  date published: 2016-02-23
  track: Oborama: III. Graceful, wistful [oboe d'amore]
  track: Oborama: IV. Dark, solemn [bass oboe]
album: Bliss: Oboe Quintet / Britten: Phantasy / String Quartet No. 3
  type: MusicAlbum
  date published: 2006-01-01
album: Eddie Mora: Plegaria
  type: MusicAlbum
  date published: 2015-03-01

Canção Pequena (Arr. for Oboe & Harp)
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3 Songs, Op. 7: No. 1, Après un rêve (Arr. for Oboe & Harp)
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  date published: 2026-07-08T03:22:41Z
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Meditation from Thaïs (Arr. for Oboe & Harp)
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7 Canciones populares Españolas (Excerpts Arr. for Oboe & Harp): No. 5, Nana
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Rêverie, L. 68 (Arr. S. Jolles & H. Lucarelli for Oboe & Harp)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.254
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USPMZ2317702
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: 960337
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317702
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48+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

Beau Soir, L. 6 (Arr. for Oboe & Harp)
type: MusicRecording
duration: PT2M57S
duration ms: 177514
explicit: false
by artist: Claude Debussy
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: impressionism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76a7454c49ab83b943db7cf7e116b1902b4724be072e9f67e43569d881f3f83. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USPMZ2317704.
  date published: 2026-07-31T02:19:15Z
audio: Beau Soir, L. 6 (Arr. for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.16
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.264
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.119
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USPMZ2317704
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: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317704
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+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

Vocalise, Op. 34 No. 14 (Arr. for Oboe & Harp)
type: MusicRecording
duration: PT5M55S
duration ms: 355221
explicit: false
by artist: Sergei Rachmaninoff
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78fc7aa1b745e611c9019e8b48c6dbaa3cc9df5cc9a9fc61501d3c159fc94a73. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USPMZ2317705.
  date published: 2026-07-31T23:51:35Z
audio: Vocalise, Op. 34 No. 14 (Arr. for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.616
  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: 0.228
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.9
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.794
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USPMZ2317705
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: 960481
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:51:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317705
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35+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

Adagio (Arr. for Oboe & Harp)
type: MusicRecording
duration: PT6M16S
duration ms: 376809
explicit: false
by artist: Michael Amorosi
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e75eeff5ac57c5263db53d1827ce016a2184a543df52fb0d4b1380219091de. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/USPMZ2317706.
  date published: 2026-08-01T00:10:46Z
audio: Adagio (Arr. for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.025
  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: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.835
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USPMZ2317706
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: 960485
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T00:10:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317706
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46+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

2 Arabesques, L. 66: No. 1, Andantino con moto (Arr. A. Klein for Oboe & Harp)
type: MusicRecording
duration: PT5M56S
duration ms: 356075
explicit: false
by artist: Claude Debussy
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: impressionism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x093c0f223c9cb6abca1e2b6b23188de834cb59e993ecb7dd03ce34c139ea90f0. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317708.
  date published: 2026-07-31T13:04:34Z
audio: 2 Arabesques, L. 66: No. 1, Andantino con moto (Arr. A. Klein for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.989
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.265
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.346
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USPMZ2317708
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: 960403
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T13:04:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317708
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34+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

Sicilienne, Op. 78 (Arr. for Oboe & Harp)
type: MusicRecording
duration: PT4M10S
duration ms: 250580
explicit: false
by artist: Gabriel Fauré
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571c1e6f999bd2fcfc193428dfc6c0f02d76b3564ee1f18f11cb2aed7c0e9255. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USPMZ2317709.
  date published: 2026-07-31T17:29:52Z
audio: Sicilienne, Op. 78 (Arr. for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.965
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.257
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.567
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USPMZ2317709
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: 960441
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317709
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+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

Oblivion (Arr. A. Klein for Oboe & Harp)
type: MusicRecording
duration: PT4M10S
duration ms: 250518
explicit: false
by artist: Astor Piazzolla
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a218c17a60f8ac7d7627d95fc2f11b89db38c6d55e65ad9d9ac25f26367d873. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/USPMZ2317712.
  date published: 2026-07-31T12:24:41Z
audio: Oblivion (Arr. A. Klein for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.496
  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: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.943
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.989
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USPMZ2317712
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: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ2317712
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+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

Tanti anni prima (Arr. A. Klein for Oboe & Harp)
type: MusicRecording
duration: PT5M49S
duration ms: 349943
explicit: false
by artist: Astor Piazzolla
by artist: Alex Klein
by artist: Rita Costanzi
in album: Amoroso
  type: MusicAlbum
  date published: 2023-01-27
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb54b975a1fc4f033f52cb376e37a7789d95a6f8138ec2f2103190ec04b07eff8. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/USPMZ2317714.
  date published: 2026-07-31T06:42:11Z
audio: Tanti anni prima (Arr. A. Klein for Oboe & Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.859
  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: 0.176
  additional property: Energy
    type: PropertyValue
    value: 0.052
  additional property: Speechiness
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Oboe Concerto, H. 353: II. Poco Andante
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duration: PT6M21S
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by artist: Bohuslav Martinů
by artist: Alex Klein
by artist: Daniela Kosinova
by artist: Czech National Symphony Orchestra
by artist: Paul Freeman
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Oboe Concerto, H. 353: II. Poco Andante
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Oboe Concerto, H. 353: I. Moderato
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duration: PT4M53S
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by artist: Czech National Symphony Orchestra
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  date published: 2026-07-31T02:19:15Z
audio: Oboe Concerto, H. 353: I. Moderato
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Oboe Concerto: II. Seresta
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duration: PT12M3S
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by artist: Czech National Symphony Orchestra
by artist: Paul Freeman
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  date published: 2026-07-31T04:14:58Z
audio: Oboe Concerto: II. Seresta
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additional property: OTSVerifyInstructions
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Oboe Concerto, H. 353: III. Poco Allegro
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duration: PT4M38S
duration ms: 278333
explicit: false
by artist: Bohuslav Martinů
by artist: Alex Klein
by artist: Daniela Kosinova
by artist: Czech National Symphony Orchestra
by artist: Paul Freeman
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  date published: 2026-07-31T10:20:10Z
audio: Oboe Concerto, H. 353: III. Poco Allegro
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Oboe Concerto No. 2 in F Major, Op. 52: I. Allegro
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duration: PT9M8S
duration ms: 548933
explicit: false
by artist: Franz Krommer
by artist: Alex Klein
by artist: Czech National Symphony Orchestra
by artist: Paul Freeman
in album: Krommer: Oboe Concertos Nos. 1 and 2 / Hummel: Introduction, Theme and Variations
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popularity: 6
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additional property: OTSVerifyInstructions
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audio: Oboe Concerto No. 2 in F Major, Op. 52: I. Allegro
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Introduction, Theme and Variations in F Major, Op. 102
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duration ms: 865706
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by artist: Czech National Symphony Orchestra
by artist: Paul Freeman
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popularity: 2
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Oboe Concerto No. 1in F Major, Op. 37: I. Allegro
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Oboe Concerto No. 1in F Major, Op. 37: II. Adagio
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Oboe Concerto No. 1in F Major, Op. 37: III. Rondo: Allegro
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Oboe Concerto No. 2 in F Major, Op. 52: II. Adagio
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Oboe Concerto No. 2 in F Major, Op. 52: III. Rondo
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Oborama: III. Graceful, wistful [oboe d'amore]
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Oborama: IV. Dark, solemn [bass oboe]
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+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