Edit : I guess i took too much time but what did you use to extract the files ?
Edit 2 : I take a look at the music and most of them have their intro and the music separete. I only found 5 music that can be loop.
File0004.wav
111 649
3 453 944
File0014.wav
1 134 053
2 475 688
File0015.wav
754 986
2 809 503
File0022.wav
888 195
5 242 571
File0037.wav
1 720 743
5 851 084