Ingeborg Wenglor
type: MusicGroup
genre: opera
popularity: 2
followers: 8
additional property: CopyrightID
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/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4811f973-a913-4cc7-a2a1-c888968cb005.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4811f973-a913-4cc7-a2a1-c888968cb005.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4811f973-a913-4cc7-a2a1-c888968cb005
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T08:10:43Z
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album: Goldene Operette / Der Bettelstudent - Großer Querschnitt
  type: MusicAlbum
  date published: 1988-01-01
album: Operettenhighlights
  type: MusicAlbum
  date published: 2014-07-18
  track: The Gypsy Princess, Act 2: Tanzwalzer. Erstrahlen die Lichter
    type: MusicRecording
    duration: PT1M53S
    duration ms: 113733
    explicit: false
    by artist: Emmerich Kálmán
    by artist: Dresdner Philharmonie
    by artist: Chor der Staatsoper Dresden
    by artist: Elka Mitzewa
    by artist: Hannerose Katterfeld
    by artist: Eberhard Büchner
    by artist: Martin Ritzmann
    by artist: Karl-Friedrich Hölzke
    by artist: Heinz Röger
    in album: Operettenhighlights
      type: MusicAlbum
      date published: 2014-07-18
    genre: fado
    isrc code: DES380002560
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380002560
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc272bcc116aed04ca977b65afe9fbfa545a85854c6f2eb825899a51ddb449048. 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/DES380002560.
      date published: 2026-07-08T03:22:41Z
    audio: The Gypsy Princess, Act 2: Tanzwalzer. Erstrahlen die Lichter
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  track: The Gypsy Princess, Act 2: Duett. Mädel guck (Das ist die Liebe, die dumme Liebe)
    type: MusicRecording
    duration: PT2M41S
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    explicit: false
    by artist: Emmerich Kálmán
    by artist: Dresdner Philharmonie
    by artist: Chor der Staatsoper Dresden
    by artist: Elka Mitzewa
    by artist: Hannerose Katterfeld
    by artist: Eberhard Büchner
    by artist: Martin Ritzmann
    by artist: Karl-Friedrich Hölzke
    by artist: Heinz Röger
    in album: Operettenhighlights
      type: MusicAlbum
      date published: 2014-07-18
    genre: fado
    isrc code: DES380002248
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67eb8eacc9275b7fef62e64b6ae935342e0554fdb14775232c138bb9b35864b2. 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/DES380002248.
      date published: 2026-07-08T03:20:19Z
    audio: The Gypsy Princess, Act 2: Duett. Mädel guck (Das ist die Liebe, die dumme Liebe)
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      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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      additional property: Mode Name
  track: Orphée aux enfers: Overtüre
  track: Der Bettelstudent, Act 1: Einkäufe machen sollten wir eigentlich
  track: Der Bettelstudent, Act 1: Ich knüpfe manche zarte Bande
album: Paul Dessau Edition
album: Eugen D'Albert: Tiefland
album: Millöcker: Der Bettelstudent (Highlights)
album: d'Albert: Tiefland
album: Flute and String Orchestra Arrangements - Brahms, J. / Porumbescu, C. / Enescu, G. / Doppler, F. / Bartok , B.
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 10
album: Beethoven: Complete Symphonies
album: Die 50 schönsten Klassikmomente - Wassermusik - Der Sturm - Ode an die Freude - Carmen - Clair de lune - Halleluja
album: Wunderlich, Fritz: Legend (The) - Arias, Opera and Operetta Scenes and Songs
album: Beethoven: Symphonies Nos. 1-9 & Other Works
album: Dessau: Condemnation of Lucullus (The Opera)
album: Singer Portrait: Gottlob Frick
album: Lehár: Die lustige Witwe (Highlights)
album: Beethoven: Fidelio
album: Mozart: Requiem D Minor & Missa C Minor
album: Offenbach: Die schöne Lurette
album: Beethoven: Masterworks
album: Classics in Heaven
album: Strauss, Lehár, Suppé, Kálmán & Millöcker: Operetta Melodies
album: Beethoven: Symphony No. 9 (Schätze der Klassik)
album: Beethoven: Symphonies No. 9 & 1 (Mono Version)
album: Beethoven: Complete Symphonies (No. 1-9 & Overtures)
album: Die 100 Schönsten Klassikmomente
album: Beethoven (Greatest Works)
album: Nicolai: Die lustigen Weiber von Windsor
album: Beethoven: Sinfonie No. 9 & 1
album: Beethoven, L. Van: Fidelio [Opera] (1956)

Der Bettelstudent, Act 1: Einkäufe machen sollten wir eigentlich
type: MusicRecording
duration: PT2M22S
duration ms: 142893
explicit: false
by artist: Carl Millöcker
by artist: MDR Leipzig Radio Chorus
by artist: Rundfunk-Sinfonieorchester Leipzig
by artist: Günther Herbig
by artist: Ingeborg Wenglor
by artist: Roswitha Trexler
by artist: Friederike Apelt
by artist: Peter Schreier
by artist: Karl-Friedrich Hölzke
by artist: Wolfgang Hellmich
by artist: Siegfried Vogel
in album: Operettenhighlights
  type: MusicAlbum
  date published: 2014-07-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc63d71bc3d120866eb776cc6192b51263d86abb82add20bc5d91e9de61c945d1. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DES380012723.
  date published: 2026-07-31T12:24:41Z
audio: Der Bettelstudent, Act 1: Einkäufe machen sollten wir eigentlich
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Danceability
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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isrc code: DES380012723
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Der Bettelstudent, Act 1: Ich knüpfe manche zarte Bande
type: MusicRecording
duration: PT2M28S
duration ms: 148533
explicit: false
by artist: Carl Millöcker
by artist: MDR Leipzig Radio Chorus
by artist: Rundfunk-Sinfonieorchester Leipzig
by artist: Günther Herbig
by artist: Ingeborg Wenglor
by artist: Roswitha Trexler
by artist: Friederike Apelt
by artist: Peter Schreier
by artist: Karl-Friedrich Hölzke
by artist: Wolfgang Hellmich
by artist: Siegfried Vogel
in album: Operettenhighlights
  type: MusicAlbum
  date published: 2014-07-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2953cf886eabefeb27b50e7962e1327611f622ff49f8298c7f860021972531. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380002239.
  date published: 2026-07-31T05:48:30Z
audio: Der Bettelstudent, Act 1: Ich knüpfe manche zarte Bande
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    type: PropertyValue
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Danceability
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Energy
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Speechiness
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value: 0.049

Acousticness
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Instrumentalness
type: PropertyValue
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Liveness
type: PropertyValue
value: 0.336

Valence (Positivity)
type: PropertyValue
value: 0.247

Loudness (dB)
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value: -16.424

Key Name
type: PropertyValue
value: D

Mode Name
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value: Major

Orphée aux enfers: Overtüre
type: MusicRecording
duration: PT8M49S
duration ms: 529426
explicit: false
by artist: Jacques Offenbach
by artist: MDR Leipzig Radio Chorus
by artist: Dresdner Philharmonie
by artist: Heinz Rögner
in album: Operettenhighlights
  type: MusicAlbum
  date published: 2014-07-18
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DES380002577
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380002577
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ec3d72df2b4d6094a012e9edfcb3d2704fd34600379a5a06abd1db474c7faaa. 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/DES380002577.
  date published: 2026-07-08T03:53:27Z
audio: Orphée aux enfers: Overtüre
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Paul Dessau Edition
type: MusicAlbum
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Eugen D'Albert: Tiefland
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Millöcker: Der Bettelstudent (Highlights)
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d'Albert: Tiefland
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Flute and String Orchestra Arrangements - Brahms, J. / Porumbescu, C. / Enescu, G. / Doppler, F. / Bartok , B.
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 10
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Beethoven: Complete Symphonies
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Die 50 schönsten Klassikmomente - Wassermusik - Der Sturm - Ode an die Freude - Carmen - Clair de lune - Halleluja
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Wunderlich, Fritz: Legend (The) - Arias, Opera and Operetta Scenes and Songs
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Beethoven: Symphonies Nos. 1-9 & Other Works
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Dessau: Condemnation of Lucullus (The Opera)
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Singer Portrait: Gottlob Frick
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Lehár: Die lustige Witwe (Highlights)
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Beethoven: Fidelio
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Mozart: Requiem D Minor & Missa C Minor
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date published: 1965-01-01

Offenbach: Die schöne Lurette
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date published: 2011-11-24

Beethoven: Masterworks
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Classics in Heaven
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Strauss, Lehár, Suppé, Kálmán & Millöcker: Operetta Melodies
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date published: 2008-06-27

Beethoven: Symphony No. 9 (Schätze der Klassik)
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Beethoven: Symphonies No. 9 & 1 (Mono Version)
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Beethoven: Complete Symphonies (No. 1-9 & Overtures)
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Die 100 Schönsten Klassikmomente
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date published: 2011-07-15

Beethoven (Greatest Works)
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Nicolai: Die lustigen Weiber von Windsor
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Beethoven: Sinfonie No. 9 & 1
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date published: 2021-08-06

Beethoven, L. Van: Fidelio [Opera] (1956)
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