On hiatus since 2006, California-based rock foursome System of a Down reunited in 2011 for a series of European concert dates. 2012 will see the group playing at arenas and concert halls across the U.S.
Official Website: http://www.songkick.com/concerts/12596753-system-of-a-down-at-comcast-center?utm_source=1126&utm_medium=partner
Added by Upcoming Robot on June 8, 2012