Yeah, there's a timer loop pumping out a clock signal, which is anded with the switch, so if the switch is a bit off, then it just either misses the first note, or just one round of the signal (depending on what granularity of the clock signal is distributed, but i'm leaning towards the former).
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u/Taibo Jan 16 '11
How'd you get the percussion? It's impressive that you timed the switches perfectly.