Quick demo showing what the GR-1 can do with just 1 piano chord.
There is a bit of noise through the USB unfortunately, which is weird, because it's the first time I hear any kind of interference on the GR-1.
If you plan on buying one, check out the prices on Perfect Circuit (Affiliate links won't cost you more, but will help me):
GR-1 Black: https://link.perfectcircuit.com/t/v1/8-12626-351772-9759?url=https%3A%2F%2Fwww.perfectcircuit.com%2Ftasty-chips-electronics-gr-1.html
GR-1 White: https://link.perfectcircuit.com/t/v1/8-12626-351772-9759?url=https%3A%2F%2Fwww.perfectcircuit.com%2Ftasty-chips-gr-1-used-2.html