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  track: Symphony No. 6 in F Major, Op. 68: II. Andante molto mosso
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  track: Piano Concerto No. 1 in C Major, Op. 15: II. Largo
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  track: Sonate Pathetique, Op. 13: II. Adagio
  track: Symphony No. 2 in D Major, Op. 36: II. Larghetto
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album: The Romantic Age, 500 Years of Classical Music
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album: Peaceful Piano: The French Collection
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Liebesträume, S. 541: III. Oh Lieb, so lang du lieben kannst
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Piano Sonata No. 14, Op. 27 No. 2: II. Allegretto
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Sonate Pathetique, Op. 13: II. Adagio
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Nocturne in E-Flat Major, Op. 9 No. 2
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Nocturne in E-Flat Major, Op. 9 No. 2
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Liebesträume, S. 541: III. Oh Lieb, so lang du lieben kannst
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duration: PT4M36S
duration ms: 276333
explicit: false
by artist: Franz Liszt
by artist: Misha Goldstein
in album: Liebestraum: Die schönsten romantischen Klaviermelodien
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  date published: 2006
genre: classical
genre: late-romantic-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Liebesträume, S. 541: III. Oh Lieb, so lang du lieben kannst
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Deux Arabesques, L. 66: I. Première Arabesque
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duration: PT4M9S
duration ms: 249466
explicit: false
by artist: Claude Debussy
by artist: Misha Goldstein
in album: Liebestraum: Die schönsten romantischen Klaviermelodien
  type: MusicAlbum
  date published: 2006
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: NLY330600148
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Deux Arabesques, L. 66: I. Première Arabesque
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Clair de Lune, L. 32
type: MusicRecording
duration: PT4M59S
duration ms: 299106
explicit: false
by artist: Claude Debussy
by artist: Misha Goldstein
in album: Liebestraum: Die schönsten romantischen Klaviermelodien
  type: MusicAlbum
  date published: 2006
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Clair de Lune, L. 32
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Sonate Pathetique, Op. 13: II. Adagio
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duration: PT4M44S
duration ms: 284266
explicit: false
by artist: Ludwig van Beethoven
by artist: Misha Goldstein
in album: Beethoven: Adagios
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genre: classical
genre: classical-piano
genre: chamber-music
isrc code: NLY331405733
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Sonate Pathetique, Op. 13: II. Adagio
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Symphony No. 2 in D Major, Op. 36: II. Larghetto
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duration: PT12M33S
duration ms: 753973
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by artist: Ludwig van Beethoven
by artist: Staatskapelle Dresden
by artist: Herbert Blomstedt
in album: Beethoven: Adagios
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  date published: 2023-06-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: NLY331308827
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 2 in D Major, Op. 36: II. Larghetto
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Top 50 Most Popular Classical Piano
type: MusicAlbum
date published: 2014-06-13
track: Liebesträume, S. 541: III. Oh Lieb, so lang du lieben kannst
track: 8 Klavierstücke, Op. 76: IV. Intermezzo. Allegretto grazioso
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    date published: 2014-06-13
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T08:25:35Z
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6 Lieder, Op. 57: V. Venetianisches Gondellied
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Intermezzo in E-Flat Major, Op. 117 No. 1
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Intermezzo in B-Flat Minor, Op. 117 No. 2
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Lieder ohne Worte, Op. 62: VI. Allegretto grazioso "Frühlingslied"
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Deux Arabesques, L. 66: I. Première Arabesque
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Moments musicaux, D. 780, Op. 90: IV. Moderato
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subject of: OpenTimestamps Proof of Existence
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audio: Moments musicaux, D. 780, Op. 90: IV. Moderato
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Klavierstück in E-Flat Major, D. 946, No. 2
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subject of: OpenTimestamps Proof of Existence
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4 Impromptus, D. 899, Op. 90: III. Impromptu in G-Flat Major
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subject of: OpenTimestamps Proof of Existence
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Consolation in D-Flat Major, S. 172
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Clair de Lune, L. 32
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Prelude in D-Flat Major, Op. 28 No. 15, "Regentropfen"
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Lyric Pieces, Op. 12: IV. Dance of the Fairies
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Lyric Pieces, Op. 54: III. March of the Dwarfs
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subject of: OpenTimestamps Proof of Existence
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audio: Lyric Pieces, Op. 54: III. March of the Dwarfs
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Waltzes, Op. 64: No. 1, Waltz in D-Flat Major "Minute Waltz"
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subject of: OpenTimestamps Proof of Existence
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3 Gymnopédies: No. 1, Lent et douloureux
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subject of: OpenTimestamps Proof of Existence
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Gnossiennes Nos. 4-6: Gnossienne No. 5
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2 Konzertetüden, S. 145: No. 1 in A-Flat Major "Waldesrauschen"
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Impromptu No. 1 in A-Flat Major, Op. 29
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Ballade No. 3 in A-Flat Major, Op. 47
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8 Klavierstücke, Op. 76: No. 2, Capriccio in B Minor. Allegretto non troppo
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Fantasie Impromptu No. 4 in C-Sharp Minor, Op. 66
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The Romantic Age, 500 Years of Classical Music
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date published: 2026-07-02T03:30:09Z

Waltz in C-Sharp Minor, Op. 64 No. 2
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March of the Dwarfs, Op. 54 No. 3
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Divertimento, K. 334: Menuet
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Hungarian Dance No. 1, WoO 1
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audio: Hungarian Dance No. 1, WoO 1
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2 Morceaux, Op. 10: No. 2, Humoresque in G Major. Menuet
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Les millions D'Arlequin: Serenade
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Guitarre, Op. 45 No. 2
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audio: Guitarre, Op. 45 No. 2
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Beautiful Clasical Melodies
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Liebestraum
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100 Best of Beethoven
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Peaceful Piano: The French Collection
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Classical Music for Reading
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The Seasons, Op. 37b: No. 3, March. Song of the Lark
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The Seasons, Op. 37b: No. 4, April. Snowdrop
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Vier letzte Lieder, TrV 296: No. 1, Frühling
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Preludes, Op. 28: No. 15, Prelude in D-Flat Major "Raindrop"
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Liebestraum, S. 541 No. 3, Oh Lieb, so lang du lieben kannst in A-Flat Major
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Lyric Pieces, Op. 43: VI. To the Spring
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Lyric Pieces, Op. 43: I. Butterfly
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An der schönen blauen Donau, Op. 314
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Light Cavalry (Overture)
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Carnival of the Animals: XIII. The Swan
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The Italian Girl in Algiers: Overture
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Czech Suite, Op. 39: IV. Romance
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Floods of Spring, Op. 14 No. 11
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Classical Bucket List
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Summer, Sun & Classical (150 entspannte klassische Titel für den Sommer)
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Nocturnes for Piano
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Top 20 Most Relaxing Classical Music
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Adagios (The Most Relaxing Classical Music of J.S. Bach, Mozart, Beethoven, Brahms and Schubert)
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  subject of: OpenTimestamps Proof of Existence
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  genre: classical
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
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Top 40 Favourite Classical Melodies
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date published: 2013-08-16
track: 16 Waltzes, Op. 39: No. 15, Waltz in A-Flat Major "Lullaby"
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  by artist: Karin Lechner
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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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track: 2 Morceaux, Op. 9: No. 1, Valse
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    date published: 2026-07-02T03:55:08Z
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Top 30 Favourite Classical Chillout Tunes
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date published: 2013-08-16
track: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze
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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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    date published: 2026-07-08T03:53:27Z
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Chopin in Love
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:39:04Z
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Liebestraum: Romantic Piano Music
type: MusicAlbum
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track: Liebestraum, S. 541 No. 3, Oh Lieb, so lang du lieben kannst in A-Flat Major
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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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Liebestraum: Die schönsten romantischen Klaviermelodien
type: MusicAlbum
date published: 2006
track: Liebesträume, S. 541: III. Oh Lieb, so lang du lieben kannst
track: Consolation in E-Flat Major, S. 172
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  by artist: Misha Goldstein
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Consolation in E-Flat Major, S. 172
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track: Deux Arabesques, L. 66: I. Première Arabesque
track: Sonate Pathetique, Op. 13: II. Adagio
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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
  audio: Sonate Pathetique, Op. 13: II. Adagio
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track: Clair de Lune, L. 32
track: Träumerei, Op. 15 No. 7
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  subject of: OpenTimestamps Proof of Existence
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track: Nocturne in E-Flat Major, Op. 9 No. 2

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe390fab9de88ae5b20e2b774125ec1a99949a9389bb0f7b881e4790c954307. 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/NLY330600162.
date published: 2026-07-08T03:20:19Z

Träumerei, Op. 15 No. 7
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additional property: Valence (Positivity)
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Nocturne in E-Flat Major, Op. 9 No. 2
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by artist: Misha Goldstein
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Nocturne in E-Flat Major, Op. 9 No. 2
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100 Best of Chopin
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date published: 2023-12-15

Classical Piano Music for Christmas
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date published: 2021-12-22
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Klassieke Muziek voor bij het Kerstdiner
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Autumn Classics
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Spectacular Beethoven 2020
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Liszt in Love
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Beethoven in Love
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Classical Music for Christmas Dinner
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Scarlatti & Co. - Early Classical Piano Sonatas
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Arabesque and Other Works
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Adagios from Romantic Piano Sonatas
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Clair de Lune
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