AnyPart sound sources (checked 2026-11-05) - VSCO 2 Community Edition (Versilian Studios) - flute, bassoon, trumpet, horn, trombone, tuba, double bass. CC0 1.0. https://github.com/sgossner/VSCO-2-CE - Versilian Community Sample Library (VCSL) - tenor saxophone, vibraphone. CC0 1.0. https://github.com/sgossner/VCSL - (no longer used since 11/6) Salamander Grand Piano V3 - Alexander Holm, CC BY 3.0 (SF2 version by roberto@zenvoid.org / FreePats). "Salamander Grand Piano by Alexander Holm, CC BY 3.0, SF2 version by FreePats". https://freepats.zenvoid.org/Piano/acoustic-grand-piano.html - MuseScore_General (MIT) - violin, viola, cello, oboe, clarinet, piano, alto sax, guitar, bass, choir: see LICENSE-MuseScore_General.txt (FluidR3 (c) 2000-2002 Frank Wen; FluidR3Mono (c) 2014-17 Michael Cowgill; MuseScore_General (c) 2018-20 S. Christian Collins). The acknowledgements and copyright notices must be kept in any derivative work. The sample files are cut, level-matched, looped and re-encoded to mp3 by tools/sound2/*.py.