Hi, I a very beginner, so I try to define a instrument but it doesn't work, any advice? (definstrument rr (run (loop for i from 0 below 20000 do (outa i (centered-random 1)))) ** - Continuable Error oops -- I can't find RR's lisp source file! ????? I'm using the last version of CM Thank's A-LIN Marre des Spams ? - http://www.caramailmax.com