The rattling skronk-rap godfather El-P returns next month with the long-awaited solo album Cancer For Cure, which runs a very good chance of being fucking awesome. We've already heard "The Full Retard," the banger of a leadoff track. And now El has shared "Tougher Colder Killer" another hard-as-fuck song. It guest-stars veteran Atlanta face-stomper and recent El ally Killer Mike, ...