MODUS instrument audio credits

ELECTRIC PIANO, FINGERED ELECTRIC BASS AND ACOUSTIC BASS
FluidR3 General MIDI soundfont, Frank Wen and contributors.
Rendered MP3 soundfont files distributed by gleitz / MIDI.js Soundfonts:
https://github.com/gleitz/midi-js-soundfonts
https://github.com/gleitz/midi-js-soundfonts/tree/gh-pages/FluidR3_GM
License as documented by that distribution: Creative Commons Attribution 3.0 US
https://creativecommons.org/licenses/by/3.0/us/
Changes: selected notes extracted from the JavaScript data-URI distribution
into individual MP3 files. Playback uses pitch transposition, envelopes,
stereo positioning and room processing.

ACOUSTIC DRUM KIT
Kick, snare and hi-hat MP3 samples from Tone.js Audio:
https://github.com/Tonejs/audio/tree/master/drum-samples/acoustic-kit
The collection credits Chris Wilson's Web Audio Samples:
https://github.com/cwilso/web-audio-samples
Source collection README:
https://github.com/Tonejs/audio/blob/master/drum-samples/README.md
The MP3 files are redistributed without audio edits. Playback adds variable
velocity, small pitch changes, stereo positioning and room processing.

ACOUSTIC GRAND PIANO
Salamander Grand Piano, Yamaha C5 stereo recordings by Alexander Holm.
Distribution: https://github.com/Tonejs/audio/tree/master/salamander
License: Creative Commons Attribution 3.0
https://creativecommons.org/licenses/by/3.0/
Original collection notes: SALAMANDER-README.txt
Changes: 13 stereo notes extracted from the distributed MP3 set, limited
to eight seconds with a 200 ms fade-out, and re-encoded as MP3. Playback
adds transposition, mild equalization, note release and stereo room sound.