Rockstar Energy Drink Mayhem Festival, the heralded hard rock and metal event of the summer, is swiftly becoming the heavy music fans' summertime rite of passage. Today, the fourth annual summertime juggernaut announces the 2011 lineup with Disturbed, Godsmack and Megadeth, joined by Machine Head, In Flames, Trivium, and many more of today's most electrifying artists. The tour will make a 26-date trek across the country beginning on July 9 at the San Manuel Amphitheater in San Bernardino, California. *Note: Due to the "Big Four" show scheduled in France on July 9, Megadeth will join the Mayhem tour on July 10. For more information, visit rockstarmayhemfest.com.
