Credits

Lyre Studio's drum kits use these free sample libraries, all Creative Commons 0 (no credit required; listed with thanks):

• Virtuosity Drums by Versilian Studios and Karoryfer Samples: Jazz, Club, Live, Latin, Samba, Bells.
• Versilian Community Sample Library (VCSL): Acoustic, Studio, Hand and claps.
• Big Rusty Drums by Karoryfer Samples: Rock.
• Swirly Drums by Karoryfer Samples: Brushes.

Analog, FM, Digital, Dusty, Crunch, Neon, House, Pop and Boom are made from KTC Studio's own drum-synth code. The Keys waves are synthesized.