Complex sentence: The 2006 Dirt Fest was held on Saturday, August 19th and the headlining acts were Mae, Silverstein, Black Dalhia Murder, and Everytime I Die.
Split into simpler sentences: The 2006 Dirt Fest was be held on Saturday, August 19th. The headlining acts for this year are Mae, Silverstein, Black Dalhia Murder, and Everytime I Die.