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genre: chamber-music
genre: baroque
genre: concerto
description: Johann Joachim Quantz (; 30 January 1697 – 12 July 1773) was a German composer, flautist and flute maker of the late Baroque period. Much of his professional career was spent in the court of Frederick
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album: Johann Joachim Quantz: Triosonaten
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album: Quantz: 4 Concertos
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  date published: 1991
album: Quantz: Musique de Chambre à la Cour de Dresde
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album: Quantz: 5 Flute Concertos
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album: J.J. Quantz: Konzerte für Eine und Zwei Flöten
album: Quantz: Concerti from Dresden & Berlin
album: Quantz, J.J.: Flute Sonatas Nos. 272-277
album: Quantz: For His Majesty's Pleasure - Sonatas and Pieces for Flute, Viola da Gamba and Harpsichord
album: Quantz: For His Majesty's Pleasure
album: Quantz: 6 Flute Quartets
album: Quantz: 4 Flute Concertos
album: Quantz: 7 Flute Sonatas
album: Johann Joachim Quantz: Sei Duetti, Op. 2
album: Quantz: Solo Flute Music
album: Quantz: Flute Concerto No. 161 in G Major, QV 5:174
album: Quantz: Concertos & Trio Sonatas with Recorder
album: Quantz: 4 Concertos for Flute & Strings
album: Johann Joachim Quantz: Flute Concertos
album: Quantz: 5 Concerts for Flute and Orchestra
album: Quantz Cappricios (Cat Vignettes)
album: Johann Joachim Quantz: Das Flöte wohltemperirte Erster Band, Sonata, Fantasia, Tema e Variazioni
album: Johann Joachim Quantz: Capricci & Fantasie per il flauto traverso senza Basso - The Opera Omnia - The art of the flute alone
album: Johann Joachim Quantz: 8 Sonate a flauto traverso solo e cembalo Giedde I.13 dedicate a Sua Maestà D’Augusto III Re di Polonia Elettore di Sassonia
album: Quantz: Vivace, Trio Sonata in E minor, QV2:20
album: Fantasie in e-Moll
album: Fantasie in C-Dur
album: Quantz: Trio Sonatas
album: Fantasie e-Moll
album: Baroque Flute Duets Duetos de Flauta
album: Johann Joachim Quantz Recomposed by Luca Astolfoni Fossi: 28 Variazions on Aria “ I Was Sleeping, and Then I Dreamed” for Solo Flute
album: Concerto para Flauta em Sol Maior Qv5:174
album: Quantz: Complete Flute Sonatas, Vol. 1
album: Fluitconcert in g major
album: Chillin' with Quantz
album: Quantz: Flute Concerto, QV 5.174 (Arr. for Alto Recorder by Isaac Makhdoomi)

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Quantz: Flute Sonatas
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Quantz: Flute Sonatas
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Quantz: Flute Sonatas
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J.J. Quantz: Konzerte für Eine und Zwei Flöten
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Quantz: Concerti from Dresden & Berlin
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Quantz, J.J.: Flute Sonatas Nos. 272-277
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Quantz, J.J.: Flute Sonatas Nos. 272-277
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Quantz: For His Majesty's Pleasure - Sonatas and Pieces for Flute, Viola da Gamba and Harpsichord
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Quantz: For His Majesty's Pleasure
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Quantz: Flute Concertos
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Quantz: Flute Concertos
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Quantz: Flute Concertos
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OpenTimestamps Proof of Existence
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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 0x8660735d0ebb3688a1caa8cc15f8c365304055c72ed014bcef11e3cd34b73d6d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253191607 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Flute Concerto in C Major, QV 5:15: I. Allegretto
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Flute Concerto in G Major, QV 5:174: I. Allegro assai
type: MusicRecording
duration: PT4M57S
duration ms: 297640
explicit: false
by artist: Johann Joachim Quantz
in album: Quantz: 4 Flute Concertos
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  date published: 2014-07-15
isrc code: HUA253191610
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253191610
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb984f7a1d3bad64e2a92616cecf1afb3e53be444c7f07d39192ccf1384edca4. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253191610 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Flute Concerto in G Major, QV 5:174: I. Allegro assai
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Flute Concerto in G Major, QV 5:174: II. Arioso e mesto
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duration: PT7M23S
duration ms: 443240
explicit: false
by artist: Johann Joachim Quantz
in album: Quantz: 4 Flute Concertos
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  date published: 2014-07-15
isrc code: HUA253191611
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
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253191611
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae3a6e06f0e8517d57adc41b500d23d5e59feae4554522013019c4b56df29e6. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253191611 — a six-check JSON result.
  date published: 2026-07-29T23:20:38Z
audio: Flute Concerto in G Major, QV 5:174: II. Arioso e mesto
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Flute Concerto in G Major, QV 5:174: III. Presto
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duration: PT3M54S
duration ms: 234706
explicit: false
by artist: Johann Joachim Quantz
in album: Quantz: 4 Flute Concertos
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  date published: 2014-07-15
isrc code: HUA253191612
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
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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 0x088360c7be1f1bd6071a7ab0f7b3eaa18b2bc05ed2badb4e38bec7de89fcd728. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253191612 — a six-check JSON result.
  date published: 2026-08-01T01:44:32Z
audio: Flute Concerto in G Major, QV 5:174: III. Presto
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Quantz: 7 Flute Sonatas
type: MusicAlbum
date published: 2014-07-15

Johann Joachim Quantz: Sei Duetti, Op. 2
type: MusicAlbum
date published: 2014-08-15

Quantz: Solo Flute Music
type: MusicAlbum
date published: 2015-01-01

Quantz: Flute Concerto No. 161 in G Major, QV 5:174
type: MusicAlbum
date published: 2015-09-04

Quantz: Concertos & Trio Sonatas with Recorder
type: MusicAlbum
date published: 2017-12-29
track: Flute Concerto in F Major, QV5:39: I. Allegretto
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  duration: PT6M59S
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  by artist: Johann Joachim Quantz
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    type: MusicAlbum
    date published: 2017-12-29
  isrc code: NLY331705569
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331705569
  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 0x39c9c314c4860bac2a60fd92258e00979bc8b485d9d32ae386361b25a12f1fdd. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331705569 — a six-check JSON result.
    date published: 2026-07-31T19:53:13Z
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    additional property: Liveness
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    additional property: Valence (Positivity)
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track: Concerto for 2 Flutes in G Minor, QV6:a: I. Allegro
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  by artist: Johann Joachim Quantz
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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 0x51e9010842a6a7ef8059ae6181102217bffb31b948af6cca1fd31b4d02c00f66. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331705572 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
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track: Concerto for 2 Flutes in G Minor, QV6:a: III. Presto
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  subject of: OpenTimestamps Proof of Existence
  audio: Concerto for 2 Flutes in G Minor, QV6:a: III. Presto
track: Trio Sonata in C Major, QV2:nh.3: I. Affettuoso
track: Trio Sonata in C Major, QV2:nh.3: II. Alla breve
track: Trio Sonata in C Major, QV2:nh.3: III. Larghetto
track: Trio Sonata in C Major, QV2:nh.3: IV. Vivace
track: Trio Sonata in G Minor QV2:0: I. Allegro ma non tanto

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 0x74d0dc9c766178324f026b0b56d7faf06069e84f602f7a0289073b5dae44b5f4. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331705574 — a six-check JSON result.
date published: 2026-07-31T17:29:52Z

Concerto for 2 Flutes in G Minor, QV6:a: III. Presto
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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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additional property: Time Signature
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additional property: Danceability
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Trio Sonata in C Major, QV2:nh.3: I. Affettuoso
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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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  date published: 2026-07-08T03:22:41Z
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Trio Sonata in C Major, QV2:nh.3: II. Alla breve
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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
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Trio Sonata in C Major, QV2:nh.3: III. Larghetto
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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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Trio Sonata in C Major, QV2:nh.3: IV. Vivace
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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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Trio Sonata in G Minor QV2:0: I. Allegro ma non tanto
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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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Quantz: 4 Concertos for Flute & Strings
type: MusicAlbum
date published: 2018-05-04

Johann Joachim Quantz: Flute Concertos
type: MusicAlbum
date published: 2019-11-01

Quantz: 5 Concerts for Flute and Orchestra
type: MusicAlbum
date published: 2019-12-24

Quantz Cappricios (Cat Vignettes)
type: MusicAlbum
date published: 2020-01-27

Johann Joachim Quantz: Das Flöte wohltemperirte Erster Band, Sonata, Fantasia, Tema e Variazioni
type: MusicAlbum
date published: 2020-06-22

Johann Joachim Quantz: Capricci & Fantasie per il flauto traverso senza Basso - The Opera Omnia - The art of the flute alone
type: MusicAlbum
date published: 2020-07-25

Johann Joachim Quantz: 8 Sonate a flauto traverso solo e cembalo Giedde I.13 dedicate a Sua Maestà D’Augusto III Re di Polonia Elettore di Sassonia
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date published: 2021-10-08

Quantz: Vivace, Trio Sonata in E minor, QV2:20
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date published: 2022-06-06

Fantasie in e-Moll
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date published: 2022-07-06

Fantasie in C-Dur
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date published: 2022-07-06

Quantz: Trio Sonatas
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date published: 2022-07-15

Quantz: Trio Sonatas
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date published: 2022-07-15

Fantasie e-Moll
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date published: 2022-07-23

Baroque Flute Duets Duetos de Flauta
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date published: 2023-01-06

Johann Joachim Quantz Recomposed by Luca Astolfoni Fossi: 28 Variazions on Aria “ I Was Sleeping, and Then I Dreamed” for Solo Flute
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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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  additional property: OTSVerifyInstructions
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-30T18:46:00Z

28 Variazions on Aria “ I Was Sleeping and Then I Dreamed” for Solo Flute in G Major: Variation 8 (Recomposed by Luca Astolfoni Fossi)
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28 Variazions on Aria “ I Was Sleeping and Then I Dreamed” for Solo Flute in G Major: Variation 22 (Recomposed by Luca Astolfoni Fossi)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:58:21Z
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28 Variazions on Aria “ I Was Sleeping, and Then I Dreamed” for Solo Flute in G Major: Variation 26 (Recomposed by Luca Astolfoni Fossi)
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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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Concerto para Flauta em Sol Maior Qv5:174
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Quantz: Complete Flute Sonatas, Vol. 1
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-08-01T01:44:32Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T17:29:52Z
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Fluitconcert in g major
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Chillin' with Quantz
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Quantz: Flute Concerto, QV 5.174 (Arr. for Alto Recorder by Isaac Makhdoomi)
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  additional property: OTSVerifyInstructions
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    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 0x958acc0fdc9e67b3028986025286d29d9786f9543b7e34d403054ae6a8dd6aaa. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272502984 — a six-check JSON result.
    date published: 2026-07-19T10:15:55Z
  audio: Flute Concerto, QV 5.174 (Arr. for Alto Recorder by Isaac Makhdoomi): III. Presto
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.314
    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: 0.519
    additional property: Energy
      type: PropertyValue
      value: 0.319
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.951
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.767
    additional property: Liveness
      type: PropertyValue
      value: 0.356
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.854
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.709
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major