“Flava and Chuck. Ghostface and Raekwon. Andre and Big Boi. Eazy and Dre. Eminem and Dre. The history of hip-hop is full of odd couples-- most often, the raving, paranoid madman and his wiser, more stern companion. Hell, even The Sugarhill Gang had Master Gee. Hot-buttered a pop da pop dibbie dibble, my ass. The Ultramagnetic MC's, however, were the first *all-lunatic* rap group, one that would str”