* f31 0 8 7 -1 6 1 2 -1;		<in between triangle & sawtooth
* f32 0 64 10 1. 0 .33 .1 .2 .11 .14 .07 .09; < most common drum function
* f33 0 64 7 1. 16 1. 0 -1. 32 -1. 0 1. 16 1.   ;<square wave,straight sides
