Listen: El-P – “Tougher Colder Killer” (ft. Killer Mike & Despot)Chase McMullen·April 25, 2012 El-P is working pretty closely with Killer Mike these days – this new track is in addition to the full project they are releasing in May, R.A.P. Music. Rather, this track is for El-P’s approaching solo record, Cancer4Cure, check it out below.