Oh man, how can I forget Hell's March? To Zanarkand from FFX? Crono's Theme? etc? ... @_@
Too many to choose from. This said, my list is done really fast!
Random game thought :
Why is Bionic Commando Rearmed 2 getting so much hate? We finally get a real game and they're not even satisfied... I'm starting to hate the gaming community so f****** much...