Patrick Leonard
type: MusicGroup
genre: album rock
description: Patrick Ray Leonard (born March 14, 1956) is an American songwriter, keyboardist, film composer, and music producer, best known for his longtime collaboration with Madonna. His work with Madonna inclu
popularity: 15
followers: 946
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T22:22:30Z
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album: Rivers
  type: MusicAlbum
  date published: 2021-01-07
album: Winter in an Empty Theater
  type: MusicAlbum
  date published: 2021-02-25
album: A Walk in the Woods
  type: MusicAlbum
  date published: 2024-06-28
album: It All Comes Down to Mood
  type: MusicAlbum
  date published: 2024-07-26
  track: Hat and Coat
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    by artist: Patrick Leonard
    in album: It All Comes Down to Mood
      type: MusicAlbum
      date published: 2024-07-26
    genre: album rock
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T01:43:49Z
    audio: Hat and Coat
      type: AudioObject
      additional property: Tempo (BPM)
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track: Open Your Heart - Remix/Edit
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  duration: PT3M59S
  duration ms: 239376
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  by artist: Madonna
  by artist: Patrick Leonard
  in album: greatest 80s 100 best songs
    type: MusicAlbum
    date published: 2024-12-10
  genre: pop
  genre: dance-pop
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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: 2026-07-08T03:22:41Z
  audio: Open Your Heart - Remix/Edit
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    additional property: Danceability
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    additional property: Energy
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Speechiness
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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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value: 0.943

Loudness (dB)
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value: -14.104

Key Name
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value: F

Mode Name
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value: Major