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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61ed18e9697e1fc6821cbb4125a7462a4444264202c0f54932424f79285da183. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4e0fab64-b147-451d-892b-c27944d846b5.json and https://artists.proofprofile.net/proofs/artist/4e0fab64-b147-451d-892b-c27944d846b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Christmas Festival - 10 Holiday Favorites
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9c26376a998bddde181a67e98c72aebba3679e241a6ebc330f14aa99e010cf. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291407509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb70c5d8991afb417a335e73b2799ee89dacce1f8271f9afa5af416af3289b8d6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291407508.
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
Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5692a2e14ac49b44059963ad05fbd280527b1f2e71881c44d4e4eda322530f88. 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/USSM10402744.
Orchestral Suite No. 3 in D Major, BWV 1068: III. Gavotte I & II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97db5332363bbc0db8069a5e8b5b381288bf7de8c087a4ead08b79a419ae59c. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/USSM10206468.
Unaccompanied Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21139799bed211996fb8c770a7a52b820b3548eece33207ae113c4e7529b054. 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/USSM19605320.
Concerto No. 2 in F Major, BWV 1047: I. Allegro - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09b1fd051353ac4368b4dd10cd437c0fd382fac32f81cc438c7a3661e07dce8. 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/USSM19925064.
Le Bourgeois Gentilhomme - Comédie-Ballet, LWV 43: Ouverture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b7a1ca8b19f6431c00dcb0f1a335abf9194b9ade0055f5fea4efbfa5264a518. 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/DEE478800135.
Herz und Mund und Tat und Leben, BWV 147: Jesus bleibet meine Freude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x988ae9c140d78a6a9b3dd341095e743ad4ff80538c860941018ed473e9226f30. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USSM15801016.
Minuet from The Anna Magdalena Bach Notebook, Anh. 114
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07503880092251b5c5e9e8d704218d43ba8a32de1bbda15ddb8d822a235a5cf9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USSM10406377.
Toccata & Fugue in D Minor, BWV 565: Fugue
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbefc763a71454a6f8b78ee59f3dfa13161e5134f91cd927f01b7cc40ccf4e62. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USSM18900766.
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4390ee2c53d905c34bef0d811fb8a9acf757722e756b6d13ca12baa55b8b7641. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USSM18000450.
Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249e5b82ff1ffa1d9e25898e912f1b30a1b0dd2f6002dd6dc28fd33e49fc8416. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM18000640.
Sheep May Safely Graze from Cantata No. 208
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e5f81459b1f0d6abbcbec50753942205edceed64f60d36e056702c9e451c5c5. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/USSM16601462.
Wachet auf, ruft uns die Stimme, BWV 140 "Sleepers Awake": I. Wachet auf, ruft uns die Stimme (Arr. E. Ormandy for Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4165d947b97f94d4da8d0709aa502a189e4a996f10904b782cccc0a990c0e00d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM16801252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230a369b91903e400d03a2963bf11a242bd7a3f8a0fc9fea3dd80d7f8c0881cb. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/USSM16400365.
The Well-Tempered Clavier, BWV 846: Prelude in C Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71566593687d63d6dfdbfbb04527fff00e3c71e1921e10ece2afaab224137237. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USSM16201577.
III. Allegro Assai from Brandenburg Concerto No. 2 in F Major, BWV 1047
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d15c586482e44436f4c55779c0890bee994875eabbf3c692264b07b97a403a. Chain 2 (Bitcoin): anchored in block 957057 (2026-07-07T15:21:38Z), 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/USSM10406379.
Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
Carl Philipp Emanuel Bach Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09858470d6a173ff437ce9fb692256f37862e6bc711c8097e72e18a4a151263a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10400709.
III. Gavotte en Rondeau from Lute Suite in E Major, BWV 1006a
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76dd2f36662ff89c2ad3264618a980ae105c813e144afeb046325231f3af011. 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/USSM10406381.
Art Thou With Me (Aria. Bist du bei mir) BWV 508 from the Anna Magdalena Notebook
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb713cff8f87eb3c7b30e58110b765e88417b4240b1b516083ec177dbfa177352. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/USSM17000427.
Wir danken dir, Gott, wir danken dir, BWV 29: I. Sinfonia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a2262e2c926c86affd70aafce8aa0a6c873bd2f6dcd1c9c2dcf332e8556f0a. 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/USSM16300658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddca6812be9750645afdae6698050a4f6fcd076e05d35a85d450c5118d40459b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USSM18101015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd97b05e2681931dd53d0cb2fd513b047fa291a72c36722d12c219623a3db9b93. 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/USB8U1705800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x719fd4502cab4beda168e42e180f5f171755cfc5b8a056ee90555818cb1b741f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USB8U1705801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e568089ad918cac119968b8ce8f16ca40304d4091a6cf0542b52f6e82e44570. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB8U1705802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8808763addf2ab7014c84bc03ffca8640621ea907afadb6f05283716f39e8caf. 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/USB8U1705805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081795898574b576c9b3825cbe043d5c85e3bae159fa35ee6f8c2980bb1df927. 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/USB8U1705808.
You'll Never Walk Alone (From "Carousel") [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f21cb8ee155fe4bfc3c59247e72ba6e61e04a624bfb73fb8c0ac9e6d0a00fd. 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/USB8U1705809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f56f11c566097df06d9cf2adf29a109df5bf8ee602bfe819bf58f18caf05e80. 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/NLA508811501.
Cabaret Songs for voice & chamber orchestra: Galathea
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a47afbbadbf722c8516ea3fade6b9e4206afc0cc9635f35b539a940f564d19. 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/NLA508811510.
Cabaret Songs for voice & chamber orchestra: Gigerlette
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x450bd6b42e6c75d2f4b8f43933f6e6515422970072cc46a0b5e8e34c285d833a. 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/NLA508811511.
Monteverdi and Gabrielli Antiphonal Music
Vespers Of The Blessed Virgin: Deus in adjutorium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3750e546aff3f4381733fe5a676f65cae689d4d26da486b2a6dbc90856350769. 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/USSM10205846.
Vespers Of The Blessed Virgin: Nisi Dominus (Ps. 126)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeb2c23fad24a67c0ef414f82928af18ea0528c1e6e1f8ce63613f40012cce71. 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/USSM10205861.
Vespers Of The Blessed Virgin: Ave maris stella (Hymn)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf61372b2ea1bae3bd83e0106d432baa86bdc3b611002e96d93d95015a0c75888. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10205862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a5d5f1f5212945ec92d2501bebb6833365b780e21b8ce47f676883649958ea2. 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/USSM10205866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0094570ffdd05a21690b994228d0422c72a6e3212a24d14310b5357b7ac0b09. 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/USSM10205871.
Tango! Ástor Piazzolla & The Music of Argentina
Orchestral Suite No. 3 in D, BWV 1068: Air on the G-String
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0d51ddc9d1e933cdd34a3e6706d7c82323c5f4eda1a2131c24cee34154c399. 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/USBC19704248.
Martin: Concerto for 7 Wind Instruments, Timpani, Percussion and Strings - Petite Symphonie Concertante - Ballade for Flute, Strings and Piano
Private Astronomy - Geoff Muldaur / Bix Beiderbecke
Trumpet Music - Altenburg, J. / Vivaldi, A. / Biber, H. / Torelli, G. / Telemann, G. (The Sound of Trumpets)