And if you like it, build your own! This asm prog loads all TIATracker (*.ttt) files in the folder supplied or if none, the current directory, and builds a 32Kb VCS music cart from them: https://github.com/g012/l65/blob/master/samples/vcs_mcart.l65
Build with "l65 vcs_mcart.l65 [path]", using l65 assembler: https://github.com/g012/l65/releases/tag/v1.2.1