Future Composer (BSI)
BSI : Future Composer
(C)1990. Anthony J Bybell.
4 voices. Inspired by the C64 version of Future Composer. Block, position and replay speed may be different for each voice. Not really user friend editor, but it sounds good anyway.
Official editor, replay, tunes and editor code source (code released in 1996).
Format here (S Chipaux).