hi, I loaded clm-3 into acl 6.2 when making a with-sound call i get the following error-message.. (with-sound (:scaled-to .99 ... ... Error: attempt to call `MUS-SOUND-CHANS' which is an undefined function. the error just arises, when i use the :scaled-to argument ... I tried the same call with clm-2 and it worked fine thx. h.g.