Digitone only again. I was trying for something that felt brighter, and then it all might just be too bright. Anyway I learned a lot about the Digitone's LFOs, parameter locks, micro-timing, etc. doing this one!
There's some clicks near the beginning that I don't actually want, and I am perusing the forums to see the different possible culprits. In my case it seems to be re-triggering an envelope with attack 0 while the release is still going. Anyway this comment was great: "I have a diagram in mind that may clear it up, but I’ve had a few drinks tonight so can’t be bothered making it right now…"