Warren Haynes (shown) with his eponymous band and Gov't Mule, My Morning Jacket, Michael Franti & Spearhead, the Avett Brothers, Umphrey's McGee (with John Oates), Grace Potter & the Nocturnals, Edward Sharpe & the Magnetic Zeros, Béla Fleck & the Flecktones (original lineup), Mavis Staples, Hot Tuna (electric), Preservation Hall Jazz Band, Nicole Atkins.
