I just had the idea of rearranging the old music for Gown's Bow for the new Island track. It's already kind of beach-sounding, and it would be a nice little nod to the original TuxKart.
I've already had a look at the original game's MOD files, and made a quick remix of the Oliver's Math Class song as practise (obviously the remix for the game will not be in this style):
https://soundcloud.com/0zone0ne/boom-boom-boom-remix
So, GeekPenguinBR is doing the Chocolate music now? I'm thinking I should at least start the Island music and see what happens. It would probably save a lot of trouble later.