Wangjaesan Light Music Band
type: MusicGroup
description: The Wangjaesan Light Music Band () is a light music (kyŏngŭmak) group in North Korea. It is one of two (with Pochonbo Electronic Ensemble) popular music groups that were established by North Korea in
popularity: 10
followers: 120
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T10:56:20Z
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album: Collection
  type: MusicAlbum
  date published: 2015-04-06
album: Collection Volume: 2
  type: MusicAlbum
  date published: 2021-03-08
album: Collection Volume: 3
  type: MusicAlbum
  date published: 2021-07-12
album: Collection Volume: 4
  type: MusicAlbum
  date published: 2022-05-09
album: Collection Volume: 5
  type: MusicAlbum
  date published: 2022-10-31
  track: Play with Flowers
    type: MusicRecording
    duration: PT2M34S
    duration ms: 154618
    explicit: false
    by artist: Wangjaesan Light Music Band
    in album: Collection Volume: 5
      type: MusicAlbum
      date published: 2022-10-31
    isrc code: ESA012442467
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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: 2026-07-03T02:22:42Z
    audio: Play with Flowers
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 141.302
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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        value: 0.038
      additional property: Acousticness
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      additional property: Instrumentalness
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        value: 0.503
      additional property: Liveness
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      additional property: Valence (Positivity)
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        value: 0.927
      additional property: Loudness (dB)
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        value: -5.996
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Collection Volume: 6
  type: MusicAlbum
  date published: 2023-02-06
album: Collection Volume: 7
  type: MusicAlbum
  date published: 2023-03-06
album: Gems of Korea: Special Edition - Volume 1
  type: MusicAlbum
  date published: 2024-04-15
album: Gems of Korea: Special Edition - Volume 2
  type: MusicAlbum
  date published: 2024-06-17
album: Gems of Korea: Special Edition - Volume 3
  type: MusicAlbum
  date published: 2024-08-19
album: Selected Songs
  type: MusicAlbum
  date published: 2024-08-30
album: Gems of Korea: Special Edition - Volume 4
  type: MusicAlbum
  date published: 2024-09-09
album: Gems of Korea: Special Edition - Volume 5
  type: MusicAlbum
  date published: 2024-10-28
album: Gems of Korea: Special Edition - Volume 6
  type: MusicAlbum
  date published: 2024-11-18
album: Gems of Korea: Special Edition - Volume 7
  type: MusicAlbum
  date published: 2025-01-02
album: Gems of Korea: Special Edition - Volume 8
  type: MusicAlbum
  date published: 2025-01-20
album: Special Selections
  type: MusicAlbum
  date published: 2025-01-30
album: Collection Volume: 8
  type: MusicAlbum
  date published: 2025-02-01
album: Collection Volume: 9
  type: MusicAlbum
  date published: 2025-02-03
album: Collection Volume: 10
  type: MusicAlbum
  date published: 2025-02-10
album: Gems of Korea: Special Edition - Volume 9
  type: MusicAlbum
  date published: 2025-05-27