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type: MusicGroup
genre: opera
description: Rita Streich (18 December 192020 March 1987) was a German opera singer, regarded as one of the most admired and recorded lyric coloratura sopranos of the post-war period. Biography Rita Streich was b
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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album: Ariadne Auf Naxos
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album: Ariadne Auf Naxos
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  date published: 2000-01-01
album: Rita Streich Sings Lieder By Mozart
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      date published: 2000-01-01
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    genre: classical-piano
    genre: opera
    genre: chamber-music
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T12:24:41Z
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album: A Song Recital By Rita Streich
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  date published: 2000-01-01
album: Strauss: Eine Nacht in Venedig
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  date published: 2014-09-05
album: Tales Of Hoffmann
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album: Weber: Der Freischütz, Op. 77, J. 277 (Live)
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  date published: 2014-10-01
album: Rita Streich Sings Operatic Arias
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  date published: 2000-01-01
album: Rita Streich Sings Immortal Melodies
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  date published: 2000-01-01
album: Wagner: Siegfried
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album: Carl Maria von Weber: Der Freischütz, J 277 (1955), Volume 2
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  date published: 2015-03-04
album: Carl Maria von Weber: Der Freischütz, J 277 (1955), Volume 1
  type: MusicAlbum
  date published: 2015-03-04
album: Rita Streich - The Viennese Nightingale
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  date published: 2003-01-01
album: Rheinberger: Der Stern von Bethlehem, Op. 164
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  track: Der Stern von Bethlehem, Op. 164: II. Die Hirten
  track: Der Stern von Bethlehem, Op. 164: III. Erscheinung des Engels
  track: Der Stern von Bethlehem, Op. 164: VI. Der Stern
  track: Der Stern von Bethlehem, Op. 164: IX. Erfüllung
album: Strauss: Die Fledermaus
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album: J. Strauss II: Der Zigeunerbaron
album: Mozart: Le nozze di Figaro, K. 492 (Live)
album: Vom Himmel hoch...
album: Herbert von Karajan his first concert with the Berliner Philharmoniker after the War - Beethoven Symphony No. 3
album: Rossini: Der Barbier von Sevilla - Highlights (Sung in German)
album: Puccini: La bohème (Sung in German)
album: Mozart: Die Entführung aus dem Serail, K. 384 (The Abduction from the Seraglio)
album: Strauss: Ariadne auf Naxos
album: Klemperer in Cologne, Vol.14: Mozart, Don Giovanni (Historical Recording)
album: Weber: Der Freischütz - Wdr 1955
album: No No Che Non Sei Capace
album: Les grandes sopranos de la musique classique : Rita Streich, Vol. 1
album: Classics by Rita Streich
album: Vado Ma Dove
album: Hoffmanns Erzählungen / Tales of Hoffmann
album: Rita Streich singt Opern-Arien
album: Mendelssohn: A Midsummer Night's Dream, Op. 61
album: Johann Strauss II: Wiener Blut
album: Strauss: Wiener Blut (Vienna Blood)
album: Rita Streich Recital
album: Mozart: Concert Arias
album: Mendelssohn: A Midsummer Night's Dream
album: Volkslieder der Welt (Mono version)
album: Volkslieder der Welt (Arr. by Friedrich Meyer, Stereo Version)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Der Stern von Bethlehem, Op. 164: I. Erwartungen
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Der Stern von Bethlehem, Op. 164: II. Die Hirten
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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Der Stern von Bethlehem, Op. 164: III. Erscheinung des Engels
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T02:22:04Z
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Der Stern von Bethlehem, Op. 164: VI. Der Stern
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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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Der Stern von Bethlehem, Op. 164: IX. Erfüllung
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by artist: Symphonie-Orchester Graunke
by artist: Bavarian Radio Chorus
by artist: Robert Heger
in album: Rheinberger: Der Stern von Bethlehem, Op. 164
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genre: german-romanticism
genre: late-romantic-era
genre: liechtenstein
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c55a8fd62fdfaf97f6f67a412296da78a3cd6f0866c003370cea0d62511d016. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DEB118800109.
  date published: 2026-07-31T23:30:38Z
audio: Der Stern von Bethlehem, Op. 164: IX. Erfüllung
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Strauss: Die Fledermaus
type: MusicAlbum
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Johann Strauss: Die Fledermaus
type: MusicAlbum
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  by artist: RIAS-Symphonie-Orchester
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
  audio: Die Fledermaus: Ouvertüre
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J. Strauss II: Der Zigeunerbaron
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date published: 2023-06-30
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  by artist: Franz Allers
  by artist: Bavarian State Orchestra
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
  audio: Strauss, J. II: Der Zigeunerbaron: Ouvertüre
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track: Strauss, J. II: Der Zigeunerbaron, Act 1: "Das wär' kein rechter Schifferknecht" - "Jeden Tag Müh und Plag" (Ottokar, Czipra, Chor)
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  by artist: Biserka Cvejic
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5de58d26226032a535673b080159ba29350d089fd894cb194ddeaa7edd3c6884. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC629502171.
    date published: 2026-07-31T18:48:12Z
  audio: Strauss, J. II: Der Zigeunerbaron, Act 1: "Das wär' kein rechter Schifferknecht" - "Jeden Tag Müh und Plag" (Ottokar, Czipra, Chor)
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  by artist: Chor der Bayerischen Staatsoper München
  by artist: Nicolai Gedda
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  additional property: OTSVerificationAPI
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  subject of: OpenTimestamps Proof of Existence
  audio: Strauss, J. II: Der Zigeunerbaron, Act 1: "Als flotter Geist" - "Ja, das Alles auf Ehr" (Barinkay, Chor)
track: Strauss, J. II: Der Zigeunerbaron, Act 1: "Ja, das Schreiben und das Lesen" (Zsupán)

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a341311f33bcfff1bde30ecf45be10ee4efb33c03f2b2b509a681937e562a4b. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340703070.
date published: 2026-07-31T18:48:12Z

Strauss, J. II: Der Zigeunerbaron, Act 1: "Als flotter Geist" - "Ja, das Alles auf Ehr" (Barinkay, Chor)
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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Strauss, J. II: Der Zigeunerbaron, Act 1: "Ja, das Schreiben und das Lesen" (Zsupán)
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x470f2428f9f356b5c7d6fc6d189a831b38210456bbdd9f5253525a195e3fc2b8. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/DEC629502179.
  date published: 2026-07-31T06:42:11Z
audio: Strauss, J. II: Der Zigeunerbaron, Act 1: "Ja, das Schreiben und das Lesen" (Zsupán)
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Mozart: Le nozze di Figaro, K. 492 (Live)
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Vom Himmel hoch...
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Herbert von Karajan his first concert with the Berliner Philharmoniker after the War - Beethoven Symphony No. 3
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Rossini: Der Barbier von Sevilla - Highlights (Sung in German)
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date published: 1964-09-01
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track: Il barbiere di Siviglia: "Ich bin das Faktotum"
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Puccini: La bohème (Sung in German)
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Mozart: Die Entführung aus dem Serail, K. 384 (The Abduction from the Seraglio)
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date published: 2009-01-01

Strauss: Ariadne auf Naxos
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date published: 2000-01-01

Klemperer in Cologne, Vol.14: Mozart, Don Giovanni (Historical Recording)
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Weber: Der Freischütz - Wdr 1955
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No No Che Non Sei Capace
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date published: 2019-05-07

Les grandes sopranos de la musique classique : Rita Streich, Vol. 1
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date published: 2017-04-27
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Classics by Rita Streich
type: MusicAlbum
date published: 2016-06-18

Vado Ma Dove
type: MusicAlbum
date published: 2016-03-25

Hoffmanns Erzählungen / Tales of Hoffmann
type: MusicAlbum
date published: 2012-08-10

Rita Streich singt Opern-Arien
type: MusicAlbum
date published: 2010-01-01

Mendelssohn: A Midsummer Night's Dream, Op. 61
type: MusicAlbum
date published: 2009-10-01

Johann Strauss II: Wiener Blut
type: MusicAlbum
date published: 2002-01-04

Strauss: Wiener Blut (Vienna Blood)
type: MusicAlbum
date published: 2002

Rita Streich Recital
type: MusicAlbum
date published: 2000-01-01

Mozart: Concert Arias
type: MusicAlbum
date published: 2000-01-01

Mendelssohn: A Midsummer Night's Dream
type: MusicAlbum
date published: 2000-01-01

Volkslieder der Welt (Mono version)
type: MusicAlbum
date published: 1963-01-01

Volkslieder der Welt (Arr. by Friedrich Meyer, Stereo Version)
type: MusicAlbum
date published: 1963