Leipzig Gewandhaus Orchestra
type: MusicGroup
genre: german-orchestra
description: The Leipzig Gewandhaus Orchestra (Gewandhausorchester; also previously known in German as the Gewandhausorchester Leipzig) is a German symphony orchestra based in Leipzig, Germany. The orchestra is n
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followers: 1725
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album: Hanns Eisler: Orchestral Music, Vol. 2 - Kleine Sinfonie / 5 Orchestral Pieces / Scherzo / Rhapsodie / Winterschlacht-Suite / Wilhelm Tell
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album: EISLER, H.: Orchestral Music, Vol. 1 - Suite Nos. 1-4 / Kammersinfonie / Der lange Marsch (Pommer, Rogner)
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album: Beethoven: Symphony No. 3 "Eroica" & Leonore Overture No. 3
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album: Mozart: Horn Concertos Nos. 2 & 3 / Concert Rondo for Horn & Orchestra
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album: Beethoven: Symphonies Nos. 7 & 8
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album: A Saga Night in Vienna with Johann Strauss II
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album: Gluck: Orfeo ed Euridice, Wq. 30
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album: Schumann: Cello Concerto, Op. 129 - Tchaikovsky: Variations on a Rococo Theme, Op. 55
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album: Mahler: Kindertotenlieder / Lieder eines fahrenden Gesellen / Ruckert-Lieder / Des Knaben Wunderhorn (Excerpts)
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album: Dvořák: Symphony No. 9 & Slavonic Dances
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album: BACH: Cantatas BWV 106, 31 & 66
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album: George Gershwin: Rhapsody in Blue / Porgy and Bess / Cuban Overture / An American in Paris (Stockigt, Leipzig Gewandhaus Orchestra, Masur)
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album: Mussorgsky: Pictures at an Exhibition & A Night on the Bare Mountain
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  track: Die erste Walpurgisnacht, Op. 60: Wer Opfer heut' zu bringen scheut (Baritone, Chorus)
  track: Die erste Walpurgisnacht, Op. 60: So weit gebracht, dass wir bei Nacht (Baritone, Chorus)
  track: Die erste Walpurgisnacht, Op. 60: Die Flamme reinigt sich vom Rauch (Baritone, Chorus)
  track: Die erste Walpurgisnacht, Op. 60: Ouverture: Der schlechte Wetter
  track: Die erste Walpurgisnacht, Op. 60: Es lacht der Mai (Tenor, Chorus)
  track: Die erste Walpurgisnacht, Op. 60: Verteit euch, wack're Manner, hier (Male Chorus)
  track: Die erste Walpurgisnacht, Op. 60: Hilf, ach hilf mir, Kriegsgeselle (Tenor, Male Chorus)
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album: MENDELSSOHN, F.: String Symphony No. 8 (Original version and version with winds) [Leipzig Gewandhaus Orchestra, Masur]
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album: Dessau: Orchestral Music, Vol. 1 (KulturSpiegel - Eterna - Über Grenzen Hinaus)
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album: Georg Friedrich Händel: Organ Concertos Nos. 1-6 (Kohler, Kastner, Leipzig Gewandhaus Orchestra, Thomas)
album: Bach: Violin Concertos BWV 1042, 1043, 1052 & Vivaldi: Concerto for 2 Violins
album: Sarasate, Wieniawski & Paganini: Gypsy Airs
album: Beethoven: Symphony No. 8 in F Major, Op. 93
album: Beethoven: Symphony No. 9 in D Minor, Op. 125 - 2nd Movement

Pictures at an Exhibition: III. The Old Castle
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  date published: 1974
genre: classical
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  date published: 2026-07-08T03:22:41Z
audio: Pictures at an Exhibition: III. The Old Castle
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A Night on the Bare Mountain
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Die erste Walpurgisnacht, Op. 60: Ouverture: Der Ubergang zum Fruhling
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by artist: Felix Mendelssohn
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  date published: 2026-07-08T08:56:20Z
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Die erste Walpurgisnacht, Op. 60: Konnt ihr so verwegen handeln (Alto, Female Chorus)
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genre: early-romantic-era
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isrc code: DES380005711
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:31:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfaa56fbd5dc881d96c808666b77480e4f27e81f2d8217f365400618254cbaf58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380005711
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa56fbd5dc881d96c808666b77480e4f27e81f2d8217f365400618254cbaf58. 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/DES380005711.
  date published: 2026-07-08T03:53:27Z
audio: Die erste Walpurgisnacht, Op. 60: Konnt ihr so verwegen handeln (Alto, Female Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.621
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.503
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.117
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.327
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die erste Walpurgisnacht, Op. 60: Wer Opfer heut' zu bringen scheut (Baritone, Chorus)
type: MusicRecording
duration: PT1M36S
duration ms: 96826
explicit: false
by artist: Felix Mendelssohn
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
by artist: Siegfried Lorenz
by artist: MDR Leipzig Radio Chorus
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 1
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DES380005712
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:37:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1e05277abd4f4631c2d33380ee8d3730717b0abe70905fa263252040afee303
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  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/DES380005712
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e05277abd4f4631c2d33380ee8d3730717b0abe70905fa263252040afee303. 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/DES380005712.
  date published: 2026-07-08T03:20:19Z
audio: Die erste Walpurgisnacht, Op. 60: Wer Opfer heut' zu bringen scheut (Baritone, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.678
  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: 0.422
  additional property: Energy
    type: PropertyValue
    value: 0.345
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.67
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.347
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.481
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die erste Walpurgisnacht, Op. 60: So weit gebracht, dass wir bei Nacht (Baritone, Chorus)
type: MusicRecording
duration: PT2M46S
duration ms: 166760
explicit: false
by artist: Felix Mendelssohn
by artist: MDR Leipzig Radio Chorus
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
by artist: Siegfried Lorenz
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DES380005716
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:36:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x675fbcc22b75c39298d0f6b9143aed04c9de4483bb69d9d183e018d26317ed63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  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/DES380005716
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x675fbcc22b75c39298d0f6b9143aed04c9de4483bb69d9d183e018d26317ed63. 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/DES380005716.
  date published: 2026-07-08T03:53:27Z
audio: Die erste Walpurgisnacht, Op. 60: So weit gebracht, dass wir bei Nacht (Baritone, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.168
  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: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.289
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.668
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.145
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.466
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die erste Walpurgisnacht, Op. 60: Die Flamme reinigt sich vom Rauch (Baritone, Chorus)
type: MusicRecording
duration: PT2M17S
duration ms: 137773
explicit: false
by artist: Felix Mendelssohn
by artist: MDR Leipzig Radio Chorus
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
by artist: Siegfried Lorenz
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 1
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DES380005718
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:48:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01dbdb1212ea8fe40eaadc76b5398d35d948858b6bd4c260cf1d940dbf60305f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380005718
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01dbdb1212ea8fe40eaadc76b5398d35d948858b6bd4c260cf1d940dbf60305f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DES380005718.
  date published: 2026-07-08T03:22:41Z
audio: Die erste Walpurgisnacht, Op. 60: Die Flamme reinigt sich vom Rauch (Baritone, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.289
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.422
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.03
  additional property: Liveness
    type: PropertyValue
    value: 0.344
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.266
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die erste Walpurgisnacht, Op. 60: Ouverture: Der schlechte Wetter
type: MusicRecording
duration: PT7M0S
duration ms: 420960
explicit: false
by artist: Felix Mendelssohn
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65215dc0aaf6e041ce8f3c08d00c544d91a1a5d0b8ac77b94a25065dee6667c5. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DES380005708.
  date published: 2026-07-31T00:26:26Z
audio: Die erste Walpurgisnacht, Op. 60: Ouverture: Der schlechte Wetter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.519
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.104
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.953
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DES380005708
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380005708
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
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

Die erste Walpurgisnacht, Op. 60: Es lacht der Mai (Tenor, Chorus)
type: MusicRecording
duration: PT3M56S
duration ms: 236200
explicit: false
by artist: Felix Mendelssohn
by artist: MDR Leipzig Radio Chorus
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
by artist: Eberhard Büchner
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1ceb4539e0cdde15b5de81004f1e2f3b4578690f1ce93fafba3907320780bd. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/DES380005710.
  date published: 2026-07-29T14:28:24Z
audio: Die erste Walpurgisnacht, Op. 60: Es lacht der Mai (Tenor, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.21
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.25
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.631
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.158
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DES380005710
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960117
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380005710
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960117
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
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

Die erste Walpurgisnacht, Op. 60: Verteit euch, wack're Manner, hier (Male Chorus)
type: MusicRecording
duration: PT1M42S
duration ms: 102173
explicit: false
by artist: Felix Mendelssohn
by artist: MDR Leipzig Radio Chorus
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 1
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-30T20:45:02Z
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Die erste Walpurgisnacht, Op. 60: Hilf, ach hilf mir, Kriegsgeselle (Tenor, Male Chorus)
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  date published: 2026-07-31T15:20:15Z
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Violin Concerto No. 2 in E Major BWV 1042: 1. Allegro
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by artist: David Oistrakh
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Smetana: Mein Vaterland (Ma Vlast)
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Smetana: Mein Vaterland (Cycle of Symphonic Poems)
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track: Ma Vlast: IV. From Bohemia's Woods and Fields
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Vocal Recital: Hannelore Kuhse - WAGNER/ STRAUSS/ BERG/ REGER
type: MusicAlbum
date published: 1967

Dessau: Orchestral Music, Vol. 1 (KulturSpiegel - Eterna - Über Grenzen Hinaus)
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Bach: Motets, BWV 225-230 (KulturSpiegel - Eterna - Über Grenzen hinaus)
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date published: 1963

Schumann: The Symphonies
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date published: 1962

Mendelssohn Bartholdy: Symphony No. 3, "Scottish" / Schumann.: Cello Concerto
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date published: 1962

Schumann: Symphonies Nos. 2 & 3
type: MusicAlbum
date published: 1961

Georg Friedrich Händel: Organ Concertos Nos. 1-6 (Kohler, Kastner, Leipzig Gewandhaus Orchestra, Thomas)
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date published: 1961

Bach: Violin Concertos BWV 1042, 1043, 1052 & Vivaldi: Concerto for 2 Violins
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track: Violin Concerto No. 2 in E Major BWV 1042: 1. Allegro

Sarasate, Wieniawski & Paganini: Gypsy Airs
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Beethoven: Symphony No. 8 in F Major, Op. 93
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Beethoven: Symphony No. 9 in D Minor, Op. 125 - 2nd Movement
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