I don't really know of any tutorials, but I can try to describe how to do it as best I can. cx
All of the .mp3 files themselves will of course, go into the music folder. FeralHeart>Media>Music.
After that, you go into your music.cfg file. basically this is where you put what songs you want to play in each map. Each file must be put as so:
media/music/SongName.mp3
I hope that is clear enough for ya. If not, you can always send me the music files and I can just make it all up for you and send it back for ya to install. cx