I recently stumbled upon this great seminar about “chip music” that will likely be of great help when designing music and sound effects for VB games/demos:
Although the VSU isn’t limited to square/pulse and triangle waves, many of the concepts can still be applied to the VB.
For those who don’t know, Linus Åkesson (alias “lft”) is a veritable genius when it comes to the intersection of the disciplines of computer coding, electronics, and music. Just do a search on YouTube for “Chipophone” for the proof (and if you grew up in the 80’s/90’s, get ready for some nostalgia!).