Gregorian Chant
type: MusicGroup
genre: gregorian chant
genre: japanese classical
description: thumb|upright=1.2|The Introit Gaudeamus omnes, scripted in square notation in the 14th–15th century Graduale Aboense, honors Henry, patron saint of Finland. Gregorian chant is the central tradition o
popularity: 38
followers: 37733
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album: Ad Caelum Voces
  type: MusicAlbum
  date published: 2025-11-21
album: De Profundis Lux
  type: MusicAlbum
  date published: 2025-11-07
track: Antiphona ad Magnificat: Gloriosae Virginis Mariae
track: AVE MARIA/Gregorian Chant
track: SALVE REGINA/Gregorian Chant

Antiphona ad Magnificat: Gloriosae Virginis Mariae
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duration: PT4M28S
duration ms: 268240
explicit: false
by artist: Gregorian Chant
by artist: medieval office
by artist: Sacred Scripture
by artist: Anne Kleivset
by artist: Schola Sanctae Sunnivae
in album: In Nativitate Beatae Mariae Virginis
  type: MusicAlbum
  date published: 2010-03-11
popularity: 2
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Antiphona ad Magnificat: Gloriosae Virginis Mariae
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AVE MARIA/Gregorian Chant
type: MusicRecording
duration: PT1M22S
duration ms: 82906
explicit: false
by artist: Gregorian Chant
by artist: Sue Ann Pinner and The Santa Barbara Regional Choir
in album: AVE MARIA
  type: MusicAlbum
  date published: 1990-01-01
popularity: 3
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  date published: 2026-07-31T02:19:15Z
audio: AVE MARIA/Gregorian Chant
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

SALVE REGINA/Gregorian Chant
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duration: PT2M25S
duration ms: 145373
explicit: false
by artist: Gregorian Chant
by artist: Sue Ann Pinner and The Santa Barbara Regional Choir
in album: AVE MARIA
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  date published: 1990-01-01
popularity: 1
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  date published: 2026-07-31T02:19:15Z
audio: SALVE REGINA/Gregorian Chant
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