Beat Maker sound credits
Soundfont instruments
Piano, bass, guitar, marimba, organ, vibraphone, bells, and woodblock use FluidR3 GM by Frank Wen and contributors, distributed through MIDI.js Soundfonts under Creative Commons Attribution 3.0. OpenScores serves selected note samples locally, transposes their pitch, and applies volume envelopes for playback.
Recorded acoustic instruments
Flute, oboe, clarinet, bassoon, trumpet, French horn, trombone, tuba, violin, cello, brass (trumpet), and strings (violin) use the same recordings as Tuning Detective: VSCO 2 Community Edition by Versilian Studios, Sam Gossner, and contributing performers. Source library, CC0 public-domain dedication.
Tenor saxophone uses Versilian Community Sample Library recordings by Brett, also released under CC0. Source library.
OpenScores uses tuned, balanced WAV excerpts and transposes and envelopes them for Beat Maker.
Electronic voices
Drums, sine tone, and synth pluck are generated in your browser using Web Audio.