B chords... i need serious help?

hello evrybody its me... again. this time i need help with my b. i really reeeally REALLY want to learn the b for "brainstorm" by Beck Mongolian Chop Squad but i dont kno how to tune my b for it. if thrz a gp4 file for it or if ANYBODY has ANY advice plz plz PLZ post it. I'll appreciate anything ya hav to say.