The first-ever Kanrocksas Music Festival kicked off on Friday, August 6 at the Kansas Speedway. This two-day festival featured Eminem, Muse, The Flaming Lips, A Perfect Circle, The Black Keys, Primus, Grace Potter, Cage the Elephant and many others. For reviews and recaps, head over to RFTmusic for its complete Kansrocksas coverage. Photos by Jon Gitchoff