Trisolar Music: Each Star gets a 3-note tune (major, minor and diminished chord I think)
The planet playes the closest star, pitchproximity, pacespeed.
I haven't been sucessfull in integrating JMusic into my Project so far (never used external libraries before)
Meanwhile @kandid brought my attention to soundification and I did succeed at multithreading! One thread does the gravity sim while the other soundifies it: Pitch increases the closer the planet gets to the star. The pace changes with the planets speed