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type: MusicGroup
genre: choral
popularity: 9
followers: 14
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T08:11:48Z
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track: 12 Melodies, Op. 33, No. 9. Ved Rondane (At Rondane): 12 Songs, Op. 33: No. 9, Ved Rondane [At Rondane] [arr. For choir]
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  by artist: Edvard Grieg
  by artist: Trine Wilsberg Lund
  by artist: The Norwegian Soloists' Choir
  by artist: Grete Pedersen-Helgerod
  in album: Grieg: Choral Music
    type: MusicAlbum
    date published: 2007-08-01
  genre: classical
  genre: late-romantic-era
  genre: norwegian-classical
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  additional property: OTSTimestamp
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    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124b2b4dd32fd34363408ee3a6c129354f1efe9aaa746698733fe36c4cba6628. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761010.
    date published: 2026-07-08T03:20:19Z
  audio: 12 Melodies, Op. 33, No. 9. Ved Rondane (At Rondane): 12 Songs, Op. 33: No. 9, Ved Rondane [At Rondane] [arr. For choir]
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track: Album for Male Voices, Op. 30: Album for mandssang (Album for Male Voices), Op. 30: No. 1, Jeg lagde mig sa sildig [I Lay Down so Late]
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  by artist: Edvard Grieg
  by artist: Bård Bratlie
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  by artist: Grete Pedersen-Helgerod
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    type: MusicAlbum
    date published: 2007-08-01
  genre: classical
  genre: late-romantic-era
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761020
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T18:48:12Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa036ee1d48b285326a69c44c22db92f7130cbbad68314993522cd7fb72d64c2c. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761020.
    date published: 2026-07-31T18:48:12Z
  audio: Album for Male Voices, Op. 30: Album for mandssang (Album for Male Voices), Op. 30: No. 1, Jeg lagde mig sa sildig [I Lay Down so Late]
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track: Romancer, Op. 39: 6 Songs, Op. 39: No. 5, Ved en ung hustrus bare (At the Grave of a Young Wife) [arr. For choir] [Version for choir]
track: Ave, maris stella, EG 150 (Arr. For choir)
track: Romancer, Op. 15, No. 1. Margretes vuggesang (Margaret's Cradle Song): 4 Songs, Op. 15: No. 1, Margretes vuggesang [Margaret's Cradle Song] [arr. For choir]
track: Barnlige Sange (Children's Songs), Op. 61 [text by N. Rolfsen]: Barnlige Sange [Children's Songs], Op. 61: No. 5, Kveldssang for Blakken [Goodnight Song for Dobbin]
track: Landkjenning (Land-Sighting), Op. 31: Landkjending [Land-Sighting], Op. 31
track: 12 Songs, Op. 33: No. 2. Våren (Arr. for Choir)
track: I Folketone (In the Folk Style) [based on Lyric Pieces, Book 10, Op. 71: No. 1, Once Upon a Time] [arr. G. Pedersen-Helgerod]
track: 4 Psalms, Op. 74: No. 4, I Himmelen (In Heaven above)
track: 4 Psalms, Op. 74: No. 3, Jesus Kristus er opfaren (Jesus Christ Our Lord Is Risen)
track: 4 Psalms, Op. 74: No. 2, Guds Son har gjort mig fri (God's Son hath Set me Free)
track: 4 Psalms, Op. 74: No. 1, Hvad est du dog skjon (How Fair Is Thy Face)

Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Romancer, Op. 39: 6 Songs, Op. 39: No. 5, Ved en ung hustrus bare (At the Grave of a Young Wife) [arr. For choir] [Version for choir]
type: MusicRecording
duration: PT5M11S
duration ms: 311320
explicit: false
by artist: Edvard Grieg
by artist: The Norwegian Soloists' Choir
by artist: Grete Pedersen-Helgerod
in album: Grieg: Choral Music
  type: MusicAlbum
  date published: 2007-08-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: SEAEQ0761030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761030
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a76e21e0a94303ca691d2be896d2e2c0c53fb61031e1baa1ebe8712bc87705. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761030.
  date published: 2026-07-08T03:20:19Z
audio: Romancer, Op. 39: 6 Songs, Op. 39: No. 5, Ved en ung hustrus bare (At the Grave of a Young Wife) [arr. For choir] [Version for choir]
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  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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Ave, maris stella, EG 150 (Arr. For choir)
type: MusicRecording
duration: PT3M34S
duration ms: 214173
explicit: false
by artist: Edvard Grieg
by artist: The Norwegian Soloists' Choir
by artist: Grete Pedersen-Helgerod
in album: Grieg: Choral Music
  type: MusicAlbum
  date published: 2007-08-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: SEAEQ0761040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b71f51c45ecdf15a1a4ec05e5f71865fc849461327beee4f8749a7310522600. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761040.
  date published: 2026-07-08T03:20:19Z
audio: Ave, maris stella, EG 150 (Arr. For choir)
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Romancer, Op. 15, No. 1. Margretes vuggesang (Margaret's Cradle Song): 4 Songs, Op. 15: No. 1, Margretes vuggesang [Margaret's Cradle Song] [arr. For choir]
type: MusicRecording
duration: PT1M40S
duration ms: 100120
explicit: false
by artist: Edvard Grieg
by artist: The Norwegian Soloists' Choir
by artist: Grete Pedersen-Helgerod
in album: Grieg: Choral Music
  type: MusicAlbum
  date published: 2007-08-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: SEAEQ0761050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a89d8956a56bb9c47a64e05c10c58114adf1761f52819b08cb8ff552d0a01c. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEQ0761050.
  date published: 2026-07-31T05:48:30Z
audio: Romancer, Op. 15, No. 1. Margretes vuggesang (Margaret's Cradle Song): 4 Songs, Op. 15: No. 1, Margretes vuggesang [Margaret's Cradle Song] [arr. For choir]
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Barnlige Sange (Children's Songs), Op. 61 [text by N. Rolfsen]: Barnlige Sange [Children's Songs], Op. 61: No. 5, Kveldssang for Blakken [Goodnight Song for Dobbin]
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  date published: 2026-07-31T16:33:26Z
audio: Barnlige Sange (Children's Songs), Op. 61 [text by N. Rolfsen]: Barnlige Sange [Children's Songs], Op. 61: No. 5, Kveldssang for Blakken [Goodnight Song for Dobbin]
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Landkjenning (Land-Sighting), Op. 31: Landkjending [Land-Sighting], Op. 31
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T16:01:17Z
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12 Songs, Op. 33: No. 2. Våren (Arr. for Choir)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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I Folketone (In the Folk Style) [based on Lyric Pieces, Book 10, Op. 71: No. 1, Once Upon a Time] [arr. G. Pedersen-Helgerod]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: I Folketone (In the Folk Style) [based on Lyric Pieces, Book 10, Op. 71: No. 1, Once Upon a Time] [arr. G. Pedersen-Helgerod]
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4 Psalms, Op. 74: No. 4, I Himmelen (In Heaven above)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
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4 Psalms, Op. 74: No. 3, Jesus Kristus er opfaren (Jesus Christ Our Lord Is Risen)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
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4 Psalms, Op. 74: No. 2, Guds Son har gjort mig fri (God's Son hath Set me Free)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: 4 Psalms, Op. 74: No. 2, Guds Son har gjort mig fri (God's Son hath Set me Free)
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4 Psalms, Op. 74: No. 1, Hvad est du dog skjon (How Fair Is Thy Face)
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by artist: Edvard Grieg
by artist: Audun Iversen
by artist: Bård Bratlie
by artist: The Norwegian Soloists' Choir
by artist: Grete Pedersen-Helgerod
in album: Grieg: Choral Music
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  date published: 2007-08-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
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