The 2012 Rockstar Mayhem Festival is officially underway, with Slipknot playing a solid yet shorthanded set as they try to work around the fact that guitarist Jim Root is out of action while recovering from a burst appendix. Percussionist Chris Fehn spoke to Loudwire about working without Root and how it’s hard deciding which songs to play in the set. He explained, “It always is [tough] when you’ve got more [...]