Making #ChipTune music using #PixiTracker which is gratis for the desktop and or a cheap app. Get the 16bit variant, not the 1bit variant.
My 35s track: https://alexschroeder.ch/music/Giana%20My%20Invisible%20Friend/01%20Pixie%20Dance.mp3
Rambling blog post to go along with it: https://alexschroeder.ch/wiki/2018-06-06_PixiTracker_My_Love
@kensanata pixitracker looks fun. I'm in a similar boat with having fun with a PO35 but not wanting to go full synth (yet).
@kensanata maybe it'll be worth the effort. I've only heard good things about the OP-1.