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description: thumb| thumb| Hans Bund, also Jack Bund, (15 August 1898 – 1 February 1982) was a German pianist, conductor, composer and arranger in the field of light music. Life Born in Neunkirchen (Saarland),
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  track: Ich bin von Kopf bis Fuss (From "Der blaue Engel")
  track: Toselli-Serenade
  track: Im Prater blüh'n wieder die Bäume, Op. 247, RSWV 166
  track: Viktoria und ihr Husar: Reich mir zum Abschied noch einmal die Hände (Sung in German)
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  track: Fahr mich in die Ferne, Du blonder Matrose
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album: Glamourwelt Berlin, Vol. 2Das Große Schauspielhaus - The Great Schauspielhaus From the Weimarer Republik to the Second World War
album: Es gibt nur ein Berlin … Die Lieder von Willi Kollo in Originalaufnahmen (1927-1946)
album: The Roaring Twenties – Die wilden Zwanziger (Vol. 1): Am Sonntag will mein Süßer mit mir segeln geh’n (Recordings 1927-1933)
album: Chronik deutscher Filmmusik - History of German Film Music, Vol. 2: Melodie der Liebe (1931-1933)
album: Le monde merveilleux de la musique de genre
album: The Roaring Twenties (Die wilden Zwanziger), Vol. 6: Wenn du meine Tante siehst, ich lass' sie grüssen [Recorded 1926-1932]
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album: Mit Musik geht alles besser: Lieder und Melodien von Werner Bochmann, Vol. 2
album: Glamourwelt Berlin, Vol. 8: Die großen Berliner Tanzorchester (Berlin Swing and Dancebandsfrom the Weimarer Republik to Second World War) (1933-1944)
album: Bei zartlicher Musik … Die schonsten Melodien von Gerhard Mohr im Originalsound der 30er Jahre
album: Immortal Voices of German Radio: Rudi Schuricke (Vol.1) Recordings 1938 -1949
album: Schlagerraritäten aus vergangener Zeit
album: Berliner Tanzcafé (Das Beste der Deutschen Tanzorchester)
album: Swing tanzen verboten
album: Schlager Medaillons Vol.10 Cd 1/2
album: Tanz und Swing in der Mondschein-Bar (Das Beste der Deutschen Tanzorchester)
album: Eine Gala-Nacht mit Tanzorchester
album: Tango Notturno (Kabaret, Filmchanson und Schlager der dreißiger Jahre, Vol. 3)
album: Man müsste Klavier spielen können” – Die schönsten Melodien von Friedrich Schröder in Originalaufnahmen (1937-1943)
album: Berlin Swings, Vol. 10 (Die goldene ära deutscher tanzorchester)
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe & the World, Vol. 47
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the world, Vol. 10 (2nd Revised Edition 2020)
album: Albernes und Frivoles (1923-1931)
album: Die besten schlager der goldenen 20er & 30er Jahre, Vol. 10
album: It’s Swing Time in Germany
album: Swing Tanzen Verboten - Volume 4
album: Kabaret der Weimarer Republik
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 18 (Remastered 2019)
album: Hit-Parade of German Orchestras of the 1920s and 30s: If Spring Came Again
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 21 (Remastered 2019)
album: Ballhaus Berlin
album: Die Großen Deutschen Tanzorchester, Hans Bund
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 38
album: Die Besten Schlager der Goldenen 20er & 30er Jahre, Vol. 6
album: Erna Sack: The German Nightingale (Recorded 1934-1950)
album: Berlin Swings, Vol. 22 (Die goldene Ära deutscher Tanzorchester)
album: Immortal Voices of German Radio: Peter Alexander – Die Musik kommt!

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Toselli-Serenade
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Im Prater blüh'n wieder die Bäume, Op. 247, RSWV 166
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by artist: Berlin Deutschen Künstlertheater
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Viktoria und ihr Husar: Reich mir zum Abschied noch einmal die Hände (Sung in German)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Drunt in der Lobau
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Drunt in der Lobau
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Schoner Gigolo
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Schoner Gigolo
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Fahr mich in die Ferne, Du blonder Matrose
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Fahr mich in die Ferne, Du blonder Matrose
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In einer kleinen Konditorei
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: In einer kleinen Konditorei
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Regentropfen, die an Dein Fenster klopfe
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subject of: OpenTimestamps Proof of Existence
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Glamourwelt Berlin, Vol. 2Das Große Schauspielhaus - The Great Schauspielhaus From the Weimarer Republik to the Second World War
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Es gibt nur ein Berlin … Die Lieder von Willi Kollo in Originalaufnahmen (1927-1946)
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date published: 2026-07-08T08:56:20Z

Es gibt nur ein Berlin
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Chronik deutscher Filmmusik - History of German Film Music, Vol. 2: Melodie der Liebe (1931-1933)
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Le monde merveilleux de la musique de genre
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The Roaring Twenties (Die wilden Zwanziger), Vol. 6: Wenn du meine Tante siehst, ich lass' sie grüssen [Recorded 1926-1932]
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Immortal Voices of German Radio: Erwin Hartung – Fang's Fröhlich An! (Remastered 2018)
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Mit Musik geht alles besser: Lieder und Melodien von Werner Bochmann, Vol. 2
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Glamourwelt Berlin, Vol. 8: Die großen Berliner Tanzorchester (Berlin Swing and Dancebandsfrom the Weimarer Republik to Second World War) (1933-1944)
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track: Clivia: Clivia: Sie sind mir so sympathisch
track: Barcelona
track: Gasparone: Ich werde jede Nacht von Ihnen traumen

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffdf074dc6e487716aa486740b7ff131eadbea6c13c0ee582706dd32023e131e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEL111200531.
date published: 2026-07-08T08:56:20Z

Melodie der Nacht (Melody of the Night): Tango Marina
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 131.385
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.48
additional property: Energy
  type: PropertyValue
  value: 0.078
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.914
additional property: Instrumentalness
  type: PropertyValue
  value: 0.794
additional property: Liveness
  type: PropertyValue
  value: 0.16
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.452
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.227
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

Clivia: Clivia: Sie sind mir so sympathisch
type: MusicRecording
duration: PT2M23S
duration ms: 143200
explicit: false
by artist: Nico Dostal
by artist: Paul Dorn
by artist: Egon Kaiser Dance Orchestra
by artist: Egon Kaiser
in album: Glamourwelt Berlin, Vol. 8: Die großen Berliner Tanzorchester (Berlin Swing and Dancebandsfrom the Weimarer Republik to Second World War) (1933-1944)
  type: MusicAlbum
  date published: 2013-01-29
popularity: 3
isrc code: DEL111200532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:07:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6737d7a3a0000dd135f064646d0eaa4c29c6d8f845c3054653fd637bcfc00fa1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111200532
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6737d7a3a0000dd135f064646d0eaa4c29c6d8f845c3054653fd637bcfc00fa1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEL111200532.
  date published: 2026-07-08T08:56:20Z
audio: Clivia: Clivia: Sie sind mir so sympathisch
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.289
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.774
  additional property: Energy
    type: PropertyValue
    value: 0.58
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.888
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.942
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.406
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Barcelona
type: MusicRecording
duration: PT3M10S
duration ms: 190013
explicit: false
by artist: Frank Wilczek
by artist: Kurt Widmann Orchestra
by artist: Kurt Widmann
in album: Glamourwelt Berlin, Vol. 8: Die großen Berliner Tanzorchester (Berlin Swing and Dancebandsfrom the Weimarer Republik to Second World War) (1933-1944)
  type: MusicAlbum
  date published: 2013-01-29
popularity: 1
isrc code: DEL111200537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:53:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce4949848733bb9d730c7270a23b6cf7e7eb6672518456ba235509dc1b1fa812
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111200537
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4949848733bb9d730c7270a23b6cf7e7eb6672518456ba235509dc1b1fa812. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEL111200537.
  date published: 2026-07-08T08:56:20Z
audio: Barcelona
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.008
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.59
  additional property: Energy
    type: PropertyValue
    value: 0.309
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.71
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.884
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.733
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.325
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gasparone: Ich werde jede Nacht von Ihnen traumen
type: MusicRecording
duration: PT3M16S
duration ms: 196960
explicit: false
by artist: Carl Millöcker
by artist: Rudi Schuricke
by artist: Oskar Joost Dance Orchestra
by artist: Oskar Joost
in album: Glamourwelt Berlin, Vol. 8: Die großen Berliner Tanzorchester (Berlin Swing and Dancebandsfrom the Weimarer Republik to Second World War) (1933-1944)
  type: MusicAlbum
  date published: 2013-01-29
popularity: 5
isrc code: DEL111200540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:53:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6705549d0d5b0e570c90ab1e3b9877796048481d55cbfd4dcbea44cbb9a4e143
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111200540
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6705549d0d5b0e570c90ab1e3b9877796048481d55cbfd4dcbea44cbb9a4e143. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEL111200540.
  date published: 2026-07-08T03:53:27Z
audio: Gasparone: Ich werde jede Nacht von Ihnen traumen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.374
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.464
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.774
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.674
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.589
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bei zartlicher Musik … Die schonsten Melodien von Gerhard Mohr im Originalsound der 30er Jahre
type: MusicAlbum
date published: 2013-02-05
track: Riviera-Tango
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184080
  explicit: false
  by artist: Gerhard Mohr
  by artist: Herbert Ernst Groh
  by artist: Odeon-Künstler-Orchester
  by artist: Otto Dobrindt
  in album: Bei zartlicher Musik … Die schonsten Melodien von Gerhard Mohr im Originalsound der 30er Jahre
    type: MusicAlbum
    date published: 2013-02-05
  isrc code: DEL111200771
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T06:07:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3cf39b8e5d1b0905636ef2e8cdaecdf9cc098f2ce232a52f49746686c4382bea
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111200771
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf39b8e5d1b0905636ef2e8cdaecdf9cc098f2ce232a52f49746686c4382bea. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEL111200771.
    date published: 2026-07-08T08:56:20Z
  audio: Riviera-Tango
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.955
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.353
    additional property: Energy
      type: PropertyValue
      value: 0.294
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.6
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.573
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.527
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ich kann an hubschen Madels nicht voruber geh'n
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165106
  explicit: false
  by artist: Gerhard Mohr
  by artist: Metropol-vokalisten
  by artist: Eugen Wolff Dance Orchestra
  by artist: Eugen Wolff
  in album: Bei zartlicher Musik … Die schonsten Melodien von Gerhard Mohr im Originalsound der 30er Jahre
    type: MusicAlbum
    date published: 2013-02-05
  isrc code: DEL111200781
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T20:13:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x07d8efe512d3e0bfffb2162cca4a7692d73857102f0027867c74d30e6e72a5c9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111200781
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d8efe512d3e0bfffb2162cca4a7692d73857102f0027867c74d30e6e72a5c9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEL111200781.
    date published: 2026-07-08T03:53:27Z
  audio: Ich kann an hubschen Madels nicht voruber geh'n
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.352
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.581
    additional property: Energy
      type: PropertyValue
      value: 0.212
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.95
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.217
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.578
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.496
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ruf mich an!
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177280
  explicit: false
  by artist: Gerhard Mohr
  by artist: Peter Igelhoff
  by artist: Kleines Ensemble
  in album: Bei zartlicher Musik … Die schonsten Melodien von Gerhard Mohr im Originalsound der 30er Jahre
    type: MusicAlbum
    date published: 2013-02-05
  isrc code: DEL111200782
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:36:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3392aaa6f75d936903981e17dc438fc1b131a98daa822c49af328f3d332c48ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Ruf mich an!

OTSBitcoinBlock
type: PropertyValue
value: 957145

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111200782

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3392aaa6f75d936903981e17dc438fc1b131a98daa822c49af328f3d332c48ca. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEL111200782.
date published: 2026-07-08T08:56:20Z

Ruf mich an!
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 186.461
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.517
additional property: Energy
  type: PropertyValue
  value: 0.279
additional property: Speechiness
  type: PropertyValue
  value: 0.057
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.223
additional property: Liveness
  type: PropertyValue
  value: 0.182
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.757
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.142
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Immortal Voices of German Radio: Rudi Schuricke (Vol.1) Recordings 1938 -1949
type: MusicAlbum
date published: 2013-09-03
track: Oh, diese Maenner: Dich hat der liebe Gott fuer mich so schoen gemacht
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166840
  explicit: false
  by artist: Friedrich Schroeder
  by artist: Rudi Schuricke
  by artist: Heinz Munsonius Soloists
  by artist: Heinz Munsonius
  in album: Immortal Voices of German Radio: Rudi Schuricke (Vol.1) Recordings 1938 -1949
    type: MusicAlbum
    date published: 2013-09-03
  popularity: 1
  isrc code: DEL111301704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:04:49+00:00
  additional property: CopyrightChainExplorerURL
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track: Blau wie der weite Himmel
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Schlagerraritäten aus vergangener Zeit
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Berliner Tanzcafé (Das Beste der Deutschen Tanzorchester)
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Swing tanzen verboten
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Schlager Medaillons Vol.10 Cd 1/2
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Tanz und Swing in der Mondschein-Bar (Das Beste der Deutschen Tanzorchester)
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Eine Gala-Nacht mit Tanzorchester
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Tango Notturno (Kabaret, Filmchanson und Schlager der dreißiger Jahre, Vol. 3)
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Man müsste Klavier spielen können” – Die schönsten Melodien von Friedrich Schröder in Originalaufnahmen (1937-1943)
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    date published: 2026-07-06T07:53:57Z
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Berlin Swings, Vol. 10 (Die goldene ära deutscher tanzorchester)
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe & the World, Vol. 47
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The Roaring Twenties – Die wilden Zwanziger (Vol. 1): Am Sonntag will mein Süßer mit mir segeln geh’n (Recordings 1927-1933)
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    date published: 2026-07-08T03:53:27Z
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the world, Vol. 10 (2nd Revised Edition 2020)
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Albernes und Frivoles (1923-1931)
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    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.73
    additional property: Energy
      type: PropertyValue
      value: 0.282
    additional property: Speechiness
      type: PropertyValue
      value: 0.42
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.648
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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      value: Bb
    additional property: Mode Name
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track: Heut war ich bei der Frieda - 1928
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175464
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  by artist: Fritzi Frou
  by artist: Orchestra Walter Sieber
  in album: Albernes und Frivoles (1923-1931)
    type: MusicAlbum
    date published: 2010
  isrc code: DEBL61040958
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7fa7fc725ebacfeba8adcaf46c157aba06b85adf13e1e729ec875676efadb085
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Heut war ich bei der Frieda - 1928
track: Das find ich reizend von Lulu - 1926
track: Mensch du hast ne Zillefigur - 1929
track: Waren Sie schon in Elberfeld - 1925
track: Ich hab das Fraeulein Helen baden sehn - 1925
track: Was machst du mit dem Knie lieber Hans - 1925

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61040958

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa7fc725ebacfeba8adcaf46c157aba06b85adf13e1e729ec875676efadb085. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEBL61040958.
date published: 2026-07-08T03:53:27Z

Heut war ich bei der Frieda - 1928
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 122.578
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Das find ich reizend von Lulu - 1926
type: MusicRecording
duration: PT3M2S
duration ms: 182021
explicit: false
by artist: Willy Rosen
in album: Albernes und Frivoles (1923-1931)
  type: MusicAlbum
  date published: 2010
isrc code: DEBL61040959
additional property: CopyrightID
additional property: CopyrightStatus
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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
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61040959
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef7cdf43fbdbf73d2791b1f17a2a45d0fb590fa90ab7498f87baae1300cf1b4f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEBL61040959.
  date published: 2026-07-08T03:53:27Z
audio: Das find ich reizend von Lulu - 1926
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.519
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Mensch du hast ne Zillefigur - 1929
type: MusicRecording
duration: PT3M4S
duration ms: 184215
explicit: false
by artist: Siegfried Arno
by artist: Trude Lieske
in album: Albernes und Frivoles (1923-1931)
  type: MusicAlbum
  date published: 2010
genre: schlager
genre: dark-cabaret
isrc code: DEBL61040961
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T22:11:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fdaf9b7c51f7d927a8e741973a860fbbc05f857c9e38c60874da872c201ea71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61040961
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fdaf9b7c51f7d927a8e741973a860fbbc05f857c9e38c60874da872c201ea71. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEBL61040961.
  date published: 2026-07-08T08:56:20Z
audio: Mensch du hast ne Zillefigur - 1929
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.345
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.721
  additional property: Energy
    type: PropertyValue
    value: 0.179
  additional property: Speechiness
    type: PropertyValue
    value: 0.131
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Waren Sie schon in Elberfeld - 1925
type: MusicRecording
duration: PT2M17S
duration ms: 137822
explicit: false
by artist: Fritz Imhoff
in album: Albernes und Frivoles (1923-1931)
  type: MusicAlbum
  date published: 2010
isrc code: DEBL61040962
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T17:34:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f66455d4bdacb526f3d831382621d9f41c49ce3630941bd0c1806528f1fea1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61040962
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f66455d4bdacb526f3d831382621d9f41c49ce3630941bd0c1806528f1fea1f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEBL61040962.
  date published: 2026-07-08T08:56:20Z
audio: Waren Sie schon in Elberfeld - 1925
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 186.942
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.606
  additional property: Energy
    type: PropertyValue
    value: 0.274
  additional property: Speechiness
    type: PropertyValue
    value: 0.199
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.77
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.25
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ich hab das Fraeulein Helen baden sehn - 1925
type: MusicRecording
duration: PT3M19S
duration ms: 199157
explicit: false
by artist: Max Kuttner
in album: Albernes und Frivoles (1923-1931)
  type: MusicAlbum
  date published: 2010
isrc code: DEBL61040964
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:38:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa609a6ed7e3e26b9af5005b1abc9f9dc9fbaeb40cf0becd18c0c788dd33041ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61040964
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa609a6ed7e3e26b9af5005b1abc9f9dc9fbaeb40cf0becd18c0c788dd33041ec. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEBL61040964.
  date published: 2026-07-08T03:53:27Z
audio: Ich hab das Fraeulein Helen baden sehn - 1925
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.471
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.702
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.143
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.091
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.14
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Was machst du mit dem Knie lieber Hans - 1925
type: MusicRecording
duration: PT3M5S
duration ms: 185573
explicit: false
by artist: Franzi Ressel
in album: Albernes und Frivoles (1923-1931)
  type: MusicAlbum
  date published: 2010
isrc code: DEBL61040965
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:02:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d40f1b05f3bceee9f0ec1f30640c1eae65a32d8a670b831338d78bae67a20e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61040965
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d40f1b05f3bceee9f0ec1f30640c1eae65a32d8a670b831338d78bae67a20e5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEBL61040965.
  date published: 2026-07-08T03:53:27Z
audio: Was machst du mit dem Knie lieber Hans - 1925
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.712
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.376
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.521
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Die besten schlager der goldenen 20er & 30er Jahre, Vol. 10
type: MusicAlbum
date published: 2019-05-03
track: Schöner Gigolo
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186053
  explicit: false
  by artist: Marek Weber
  in album: Die besten schlager der goldenen 20er & 30er Jahre, Vol. 10
    type: MusicAlbum
    date published: 2019-05-03
  isrc code: DEU241864159
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0461dccb5af29216f1b56f719d5a76b40bfff08d43cee665c2773fefafdaee3c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU241864159
  additional property: OTSTimestamp
    type: PropertyValue
    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0461dccb5af29216f1b56f719d5a76b40bfff08d43cee665c2773fefafdaee3c. 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/DEU241864159.
    date published: 2026-07-08T03:20:19Z
  audio: Schöner Gigolo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.065
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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It’s Swing Time in Germany
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Swing Tanzen Verboten - Volume 4
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Kabaret der Weimarer Republik
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 18 (Remastered 2019)
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Hit-Parade of German Orchestras of the 1920s and 30s: If Spring Came Again
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 21 (Remastered 2019)
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Ballhaus Berlin
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Die Großen Deutschen Tanzorchester, Hans Bund
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 38
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Die Besten Schlager der Goldenen 20er & 30er Jahre, Vol. 6
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Erna Sack: The German Nightingale (Recorded 1934-1950)
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Berlin Swings, Vol. 22 (Die goldene Ära deutscher Tanzorchester)
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Immortal Voices of German Radio: Peter Alexander – Die Musik kommt!
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