Make your own techno and acid beats with this fun and free online clone of the legendary TR-909 drum machine

Musician and programmer Matthew Cieplak, aka Extralife, created the ER-99, a delightful browser-based clone of the legendary Roland TR-909 Rhythm Composer. First produced in 1983, the 909 led to the birth of deep house, acid, and techno musical genres. — Read the rest