Along with dropping one of the best album's of 2012 with R.A.P., Killer Mike also dropped one of the videos of the year with the LP's single "Untitled." Both are getting some well deserved mainstream attention as last night Killer Mike, Scar, and El-P performed the aforementioned track on Letterman. Get a live feel for the track, below. R.A.P. is out now.
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