I got this figured out all thanks to Snakemeat. Basically there are two streams interleaved together for each song in the game, which are both independently interleaved. So I was looking at two interleaved streams that were interleaved together. (The game has 2 versions of each song; it changes the ...

Hey guys. I've been digging through the Hex of this file to try to find the interleave.... I found a definite obvious pattern, but it hasn't helped me much. File starts out with a bunch of "junk" 00000000 49 56 42 00 02 00 00 00 00 20 00 00 00 00 00 00 00000010 d0 ac 48 00 46 02 00 00 d0 0...