On May 15, 2012, Killer Mike released R.A.P. Music, his 5th album. El-P did all the production and he is a guest on the song Butane (Champion's Anthem). Le 15 mai 2012, Killer Mike sortait R.A.P. Music, son 5e album. El-P a réalisé le tout et il est invité sur la chanson Butane (Champion's Anthem).