No good discussion of Eucridian rhythms ends without bringing up the Buchla 252e Polyphonic Rhythm Generator, so here's a demo for the uninitiated: https://youtu.be/iekVNSaXPz8

Buchla had a lot of neat modular instruments along the same lines as this one, definitely a rabbit hole worth falling into if you haven't already. Now I just hope that Uli Behringer hears my prayers and designs some Buchla recreation modules.