These are alternatives in case people want to change a bit from what they are hearing in vanilla SRB2.
Sounds Changed:
Jump
Thok
Badnik Exploding
Etc.
Music:
Lots of genesis and 32X sonic games musics. tunes 14,15,17 to 21 are not included.
That's it! have fun.
Music wad:Genesis_Mus.wad
Sound wad:AltSound.wad
Also, Duon was responsible for porting some of the musics.