Code:
Music ID List
00 - Nothing
01 - Nothing
02 - T.T. Amulet/Wizpig Amulet acquired
03 - End of race balloon awarded
04 - Mini-game door opened
05 - Main area bird ambience
06 - Intro Custscene
07 - Title Music
08 - Darkmoon Caverns/Ending 1
09 - Jungle Falls
0A - Ancient Lake
0B - Frosty Village
0C - Beta Crescent Island
0D - Fossil Canyon
0E - Hot Top Volcano
0F - Whale Bay
10 - Walrus Cove
11 - No Entry
12 - End Chime
13 - New Challenge
14 - Main Area
15 - Main Area Party
16 - Everfrost Peak
17 - Wizpig Party Interruption
18 - Menu Music
19 - Race Win
1A - Character Select
1B - Wizpig About to Interrupt the Party
1C - Boss Win
1D - Taj Challenge
1E - Pre-Race Start
1F - Greenwood Village
20 - Taj Menu
21 - Dino Area Ambience (I'm unsure if it's used so much in the final)
22 - Mini-Game
23 - Sea Ambience
24 - T.T. Menu
25 - Crescent Island
26 -
27 -
28 -
29 -
2A -
2B -
2C -
2D -
2E -
2F -
30 -
31 -
32 -
33 -
34 - Boss Door Opened
35 -
36 -
37 -
38 -
39 -
3A -
3B -
3C -
3D -
3E -
3F -
40 -
41 - Pirate Lagoon
42 - Nothing
Here is the current music ID list. It's still unfinished, but I've managed to add a fair amount to it. And I'll edit as I find out the rest.