So what's controlling the synth? It doesn't sound sequenced. It sounds like random noises, and the drawings look like random strokes. It's cool that the synth c

So what's controlling the synth? It doesn't sound sequenced. It sounds like random noises, and the drawings look like random strokes. It's cool that the synth controls the mechanics of the drawing (it appears), but I'm not sure I understand what's supposed to be going on here overall.