This is really well done. I know from making https://ambiph.one that web audio can be really tricky. Lots of fiddly little inconsistencies and gotchas (mainly on iOS, in my experience). So building something that's this customisable, fun to use and runs solidly is a real achievement.

I've got vague plans to add generative music to Ambiphone and I've been using Ableton so far but I think this will be a really useful sketchpad for experimenting with sounds and patterns