The US run is sandwiched in between jaunts of South America and Europe.
In Photos: Testament, Triptykon, YOB, Pig Destroyer, Power Trip and More Highlight Decibel Metal & Beer Fest in L.A.
The two-day festival took place December 1st and 2nd at The Wiltern in Los Angeles.
The rotating support lineup will also feature Khemmis, Ghoul and others.
This year, Rockstar Energy Drinks presented the 2nd Annual Mayhem Festival for 26 dates in the U.S., all with the intention of upping the ante of last year’s inaugural blowout. If you recall, that initial docket featured the likes of Slipknot, Disturbed, Dragonforce, and Mastodon. It’s hard to imagine how any organizer could top that line up, but here we are in 2009, and sure enough, they did.