pentagramPower of the Riff Adds Eyehategod & Black Cobra to LA Stop, Second Seattle Date ConfirmedJun 28, 2011The Power Of The Riff Festival to Stop in LA, San Francisco, SeattleJun 11, 2011Power of the Riff 2011 Initial Lineup AnnouncedJun 6, 2011Black Tusk, Pentagram May Tour Dates AnnouncedApr 13, 2010← Back to the archive
