Hey yeah I changed a heap of stuff. Loads and loads of little tweaks from dialogue to mechanics to item changes. happy new year.
I checked it and rezipped the master version and moved it around between computers and it was still fine. Track 5 was just sitting in there where it's meant to be. You can actually access all the music in the game folder in sounds folder there's a BGM (background music folder) all the WAV files are in there.