Listened to both — great stuff. I hadn't thought about it before, but 4 oscillators covers a lot: the entire Art of Fugue is 4 voices or fewer, as is most of the WTC. A pleasant coincidence between a drum machine's polyphony limit and the practical ceiling of fugal writing.
The detuning grew on me over the course of the second video.
The detuning grew on me over the course of the second video.