MOTM

> the wave... so what you hear as the filter's cutoff increases, is the
> resonant sound "jumping" from one frequency to another.  I don't know

If I understand correctly, you want a S&H between the EG and the Freq
Cutoff. EG OUT goes into the S&H IN, S&H OUT goes into filter FM1. S&H SPEED
controls the rate of the jumping; FM1 controls the depth of the effect.

At least, that's how it works in my head...