Credits.
The piano
KiMiA's Piano engine plays the Accurate-Salamander Grand Piano by Chisato Yamauchi, made from the Salamander Grand Piano by Alexander Holm, under the Creative Commons Attribution 3.0 license. KiMiA's packs are changed from the original: 16-bit with dither, normalized, trimmed and re-laid, levelled per voicing as it plays.
The acoustic drum kit
The acoustic kit is made from Virtuosity Drums by Versilian Studios with Karoryfer Lecolds, released into the public domain (CC0).
Fonts
Unbounded, by The Unbounded Project Authors, under the SIL Open Font License 1.1 (license).
This site
Every sound on this site is rendered by KiMiA's engine; every screen is drawn by KiMiA's own interface code.