Gwalarn
type: MusicGroup
genre: celtic
genre: traditional music
description: Gwalarn ("Northwesterly") was a Breton language literary journal. By extension, the term refers to the style of literature that it encouraged. 166 issues (numbered from 0 to 165) appeared between 1925
popularity: 19
followers: 990
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  date published: 2026-06-15T22:22:30Z
album: A hed an amzer (Breton Group - Celtic Music from Brittany -Keltia Musique -Bretagne)
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  date published: 2012-06-30
  track: Ar soudarded'zo gwisket e ruz
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      type: MusicAlbum
      date published: 2012-06-30
    genre: celtic
    genre: traditional music
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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: 2026-07-15T23:24:33Z
    audio: Ar soudarded'zo gwisket e ruz
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album: A raok mont pelloc'h (Breton Group - Celtic Music from Brittany -Keltia Musique -Bretagne)
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  date published: 2013-08-16
  track: Melkoni
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      type: MusicAlbum
      date published: 2013-08-16
    genre: celtic
    genre: traditional music
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-21T17:28:16Z
    audio: Melkoni
      type: AudioObject
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album: Karantez Vro (Les Musiques de Bretagne - The sounds of Brittany - Celtic music Keltia Musique)
album: Brao Gozh Ma Zadou (Les Musiques de Bretagne - The sounds of Brittany - Celtic music Keltia Musique)

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Key Name
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Karantez Vro (Les Musiques de Bretagne - The sounds of Brittany - Celtic music Keltia Musique)
type: MusicAlbum
date published: 2013-09-09

Brao Gozh Ma Zadou (Les Musiques de Bretagne - The sounds of Brittany - Celtic music Keltia Musique)
type: MusicAlbum
date published: 2013-09-10
track: Brao Gozh Ma Zadou - Les Musiques de Bretagne - The sounds of Brittany - Celtic music Keltia Musique
  type: MusicRecording
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    type: MusicAlbum
    date published: 2013-09-10
  genre: celtic
  genre: traditional music
  isrc code: FRY471100101
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T12:14:37Z
  audio: Brao Gozh Ma Zadou - Les Musiques de Bretagne - The sounds of Brittany - Celtic music Keltia Musique
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