Sad Piano Music Collective
type: MusicGroup
popularity: 5
followers: 3422
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-22T02:53:59Z
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album: Sad Piano Music- Sad Piano Songs and Melancholy Music
  type: MusicAlbum
  date published: 2010-09-15
album: Sad Songs
  type: MusicAlbum
  date published: 2011
  track: Love Will Tear Us Apart (From "Saddest Songs" Movie Soundtrack)
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    by artist: Sad Piano Music Collective
    in album: Sad Songs
      type: MusicAlbum
      date published: 2011
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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
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      date published: 2026-07-05T22:14:35Z
    audio: Love Will Tear Us Apart (From "Saddest Songs" Movie Soundtrack)
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      additional property: Tempo (BPM)
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        value: 66.96
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        value: 10
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        value: 4
      additional property: Danceability
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album: Sad Music: Sad Instrumental Piano Songs (Sad Songs that Make you Cry)
  type: MusicAlbum
  date published: 2012-03-10
album: Sad Music
  type: MusicAlbum
  date published: 2012-07-11
album: Piano Ambiente - Easy Listening Relaxing Piano Music
  type: MusicAlbum
  date published: 2015-09-24
album: Sad Piano - Melancholy Instrumental Songs and Emotional Background Pianobar Night Moods for Broken Heart
  type: MusicAlbum
  date published: 2016-01-14
album: Sad Piano - Melancholy Instrumental Songs and Emotional Background Pianobar Night Moods for Broken Heart
  type: MusicAlbum
  date published: 2016-01-15
album: 1 Hour of Happiness - Relaxing Music with Nature Sounds
  type: MusicAlbum
  date published: 2018-07-02
album: Relax Rain 20 - Best Relaxing Songs to Help you Sleep
  type: MusicAlbum
  date published: 2018-08-22
album: Emotional Piano Mix
  type: MusicAlbum
  date published: 2022-08-08
album: Calming Restless Baby with Piano Sounds
  type: MusicAlbum
  date published: 2023-05-15
album: Tranquilizing Hymn for Dogs with Piano Sounds
  type: MusicAlbum
  date published: 2023-05-18
album: Calm Musical Path for Cats in Piano Sounds
  type: MusicAlbum
  date published: 2023-05-22
album: Chilled Piano: Classical Reflections
  type: MusicAlbum
  date published: 2023-05-24
album: Pets Lullaby: Piano Music for Your Furry Friends
  type: MusicAlbum
  date published: 2023-05-29
album: Piano Jazz Grooves: Jazzing Up the Workplace
  type: MusicAlbum
  date published: 2023-06-05
album: Woodland Harmony: Piano and Nature's Soundscape for a Peaceful Workspace
  type: MusicAlbum
  date published: 2023-06-13
album: Focus by the Fire: Piano and Chill Sounds for Mental Agility
  type: MusicAlbum
  date published: 2023-07-17
album: Smooth Piano Relaxation Melodies
  type: MusicAlbum
  date published: 2023-07-19
album: Dog Day Melodies: Piano Tunes for Your Furry Friend
  type: MusicAlbum
  date published: 2023-09-13
album: Harmony of Rest: Tranquil Piano Resonance in Silence
  type: MusicAlbum
  date published: 2023-09-21
album: Meditative Piano at Work
  type: MusicAlbum
  date published: 2023-09-22
album: Ethereal Reverie: A Journey through Piano Realms
  type: MusicAlbum
  date published: 2023-10-05
album: Piano Harmony of Thought: Melodies for Clear Concentration
  type: MusicAlbum
  date published: 2023-10-08
album: Elevated Vinyasa: Ambient Melodies for Yoga
  type: MusicAlbum
  date published: 2023-10-10
album: Melodic Reflections: Serene Cat Piano's Harmonic Retreat
  type: MusicAlbum
  date published: 2023-10-16
album: Soothing Piano Bonding: Ethereal Pet Harmony
album: Tranquil Piano Serenades: Relaxing Harmony in Keys
album: Keys of Comfort: Piano Moods for Relaxation
album: Piano Dreamweaver: Lullabies for the Soul
album: 10 Sad Piano Songs: Touching Piano Music for Crying
album: Piano Rain Yoga: The Harmonious Flow of Rainfall
album: Tranquil Piano Collection
album: Massage Melodies: Piano Soothing Harmony
album: Tranquil Melodies: Relaxing Piano Music
album: Tranquil Waters: Piano Instrumentals
album: Autumn Moments: Relaxing Piano Collection
album: Serene Reflections: Smooth Piano Music
album: Whispering Stars: Instrumental Piano Music
album: Whispering Moonlight: Romantic Piano Songs
album: Glistening Horizons: Peaceful Piano Music
album: Limitless Serenity
album: Horizons: Peaceful Piano Music
album: Golden Horizons: Calming Piano Music
album: Mountain Air Piano
album: Light Through Ivory Keys
album: Midnight Solace
album: Dusk Melodies
album: Sigh and Silence
album: Tender Fall: Romantic Piano Music
album: Silver Lining: Piano Meditation Music

Soothing Piano Bonding: Ethereal Pet Harmony
type: MusicAlbum
date published: 2023-10-17

Tranquil Piano Serenades: Relaxing Harmony in Keys
type: MusicAlbum
date published: 2023-10-20

Keys of Comfort: Piano Moods for Relaxation
type: MusicAlbum
date published: 2023-10-27

Piano Dreamweaver: Lullabies for the Soul
type: MusicAlbum
date published: 2023-10-31

10 Sad Piano Songs: Touching Piano Music for Crying
type: MusicAlbum
date published: 2023-11-13

Piano Rain Yoga: The Harmonious Flow of Rainfall
type: MusicAlbum
date published: 2023-11-23

Tranquil Piano Collection
type: MusicAlbum
date published: 2024-03-04

Massage Melodies: Piano Soothing Harmony
type: MusicAlbum
date published: 2024-03-18

Tranquil Melodies: Relaxing Piano Music
type: MusicAlbum
date published: 2024-06-29

Tranquil Waters: Piano Instrumentals
type: MusicAlbum
date published: 2024-07-05

Autumn Moments: Relaxing Piano Collection
type: MusicAlbum
date published: 2024-07-12

Serene Reflections: Smooth Piano Music
type: MusicAlbum
date published: 2024-07-19

Whispering Stars: Instrumental Piano Music
type: MusicAlbum
date published: 2024-07-26

Whispering Moonlight: Romantic Piano Songs
type: MusicAlbum
date published: 2024-08-09

Glistening Horizons: Peaceful Piano Music
type: MusicAlbum
date published: 2024-09-13

Glistening Horizons: Peaceful Piano Music
type: MusicAlbum
date published: 2024-09-29

Limitless Serenity
type: MusicAlbum
date published: 2024-09-30

Horizons: Peaceful Piano Music
type: MusicAlbum
date published: 2024-11-01

Golden Horizons: Calming Piano Music
type: MusicAlbum
date published: 2024-12-06

Mountain Air Piano
type: MusicAlbum
date published: 2025-02-08

Light Through Ivory Keys
type: MusicAlbum
date published: 2025-03-21

Midnight Solace
type: MusicAlbum
date published: 2025-05-23

Dusk Melodies
type: MusicAlbum
date published: 2025-05-30

Sigh and Silence
type: MusicAlbum
date published: 2025-06-06

Tender Fall: Romantic Piano Music
type: MusicAlbum
date published: 2025-06-20

Silver Lining: Piano Meditation Music
type: MusicAlbum
date published: 2025-06-27