Willie Nelson, Neil Young, John Mellencamp, Dave Matthews and Tim Reynolds to be joined by The Allman Brothers Band, Counting Crows, Matisyahu, Guster, The Derek Trucks Band, Warren Haynes, Supersuckers, The Ditty Bops, and Montgomery Gentry
Jerry Lee Lewis, Los Lonely Boys, Arlo Guthrie, Gov't Mule, Steve Earle and Allison Moorer, Robert Randolph & The Family Band, Steel Pulse, Shelby Lynne Added to Bill