Kings of Leon with Beach House, M83, Erykah Badu, deadmau5, Yasiin Bey, Santigold, St. Vincent, Ben Harper, The Avett Brothers, Chromeo, Jane’s Addiction, TV on the Radio, Grizzly Bear, Doves, Sun Kil Moon, Explosions in the Sky, Animal Collective, Gogol Bordello, Hockey Dad, Girl Talk, M. Ward, Calexico, Other Lives, The Builders and The Butchers, The Dodos, Maria Bamford, The Wrens, Sasquatch, Street Sweeper Social Club, King Khan and the Shrines, Bishop Allen, Dirty Fences, Mike Watt, Amanda Blank, Deerhoof, Owl, Viva Voce, Monotonix, Champagne Champagne, DeVotchKa, The Gaslight Anthem, The Airborne Toxic Event, Nine Inch Nails, Silversun Pickups, The Walkmen, of Montreal, Crystal Castles, Fleet Foxes, A.A. Bondy, Arthur & Yu, Aziz Ansari, Black Moth Super Rainbow, Blind Pilot, Blitzen Trapper, Bon Iver, Death Vessel, Dent May, Heartless Bastards, Henry Clay People, James Pants, John Vanderslice, Jon Benjamin, Madrad, Mt. St. Helens Vietnam Band, Murder City Devils, Natalie Portman's Shaved Head, Passion Pit, Point Juncture, WA, Ra Ra Riot, Shearwater, Special Events 09, The Decemberists, The Dutchess and the Duke, The Knux, The Pica Beats, The Submarines, Tim and Eric, Todd Barry, Vince Mira, Yeah Yeah Yeahs and Zach Galifianakis - Saturday, May 23, 2009