Long running metal group Motorhead have announced they will be joining the 2012 Rockstar Mayhem Festival lineup. Lemmy & Co. will perform on the mainstage with Slipknot and Slayer. In other Mayhem Festival news, Sumerian Records have announced the Sumerian Records stage with Upon A Burning Body, I The Breather and one more act TBA.
This year's Rockstar Mayhem festival makes its way to the Susquehanna Bank Center on July 27th. Tickets for the event go on sale April 6th.