It was stuck in a boot loop, now, it's just in safe mode.
Thank freaking god. I was just about to die, since my computer is fudged, and had no music.
So now, the question is, how do I get out of it? I'm guessing I installed some crappy package in Cydia, or it half way installed and screwed up.
Version 3.1.3, Jailbroke with Spirit.