> oscillators that don't drift, timbre based on waveshapers, fixed-frequency > filters, etc. Would be different, that's for sure. :-) Wait a minute, I'm a firm believer of fixed-frequency filters. I have maybe 20-30 throughout my system. Tim Daugard AG4GZ 30.4078N 86.6227W http://home.sprintmail.com/~daugard/synth.htm