Jean, Jimmy Eat World, Cypress Hill, John Butler Trio, The Killers, Dilated Peoples, Louis XIV, A.F.I., Scarlet Symphony (a Trinidadian steelpan orchestra), Brazilian Girls, Blackalicious, Eek-A-Mouse, Yellowcard, The Black Eyed Peas, Slightly Stoopid, and Authority Zero 2005 The White Stripes, The Killers, Snoop Dogg, 311, The Black Eyed Peas, the Pixies, Garbage, the Used, The Flaming Lips, Method Man, Unwritten Law, Flogging Molly, Dashboard Confessional, Social Distortion, Death Cab for Cutie, Kasabian, Hot Hot Heat, Rise Against, Louis XIV, the Adolescents, The (International) Noise Conspiracy, Autolux, The Von Bondies, Swollen Members, Morningwood, the Locust, West Indian Girl, Mix Master Mike and Hard-Fi. 2006 Tool, Kanye West, A.F.I., Snoop Dogg, Social Distortion, Yeah Yeah Yeahs, Wu-Tang Clan, Queens of the Stone Age, Sean Paul, Bad Religion, Bloc Party, Yellowcard, The Shins, Wolfmother, G. Love & Special Sauce, Steel Pulse, Donavon Frankenreiter, Slightly Stoopid, She Wants Revenge, Matchbook Romance, Rock Kills Kid, Particle, Nine Black Alps, New York Dolls, The Subways, Editors, Ska Cubano, Van Stone (Travis Draft and Dave Sheridan et al.), and The Futureheads. 2007 The Killers, Muse, Social Distortion, Arctic Monkeys, Panic! at the Disco, The Crystal Method, T.I., Spoon, Ozomatli, Louis XIV, Slightly Stoopid, Air, G. Love & Special Sauce, Bad Brains, MIMS, Clap Your Hands Say Yeah, Gym Class Heroes, Too Short, Brand New, T-Pain, Rabbit In The Moon, Editors, Augustana, The Academy Is..., Jaguares, Matt Costa, Jack's Mannequin, Magic Pill, Mickey Avalon, Paolo Nutini, The Rocket Summer, Eek-A-Mouse, Mutemath, Infected Mushroom, VNV Nation, Fair to Midland, Mutemath, Honeycut, Punk Rock Karaoke, The Supersuckers, Sweet & Tender Hooligans, Elvis Perkins, Dios, My Evolution, and Shut Up Stella. 2008 Beck, Devo (replacement headliner for The Black Crowes), Justice, Sound Tribe Sector 9, Michael Franti & Spearhead, The National, Spoon, Nortec Collective presents Bostich + Fussible, TV on the Radio, Cat Power, Hot Chip, Tegan and Sara, The New Pornographers, X, Vampire Weekend, Atmosphere, The Hives, Cold War Kids, GZA, Diplo, Ghostland Observatory, Spiritualized, Antibalas, Man Man, The Mother Hips, Tokyo Police Club, DeVotchKa, The Night Marchers, Does It Offend You, Yeah?, Del The Funky Homosapien, Eagles of Death Metal, The Muslims, Dengue Fever, MGMT, The Whigs, The Films, Foals, West Indian Girl, and Chester French. 2009 The Black Eyed Peas, M.I.A, Public Enemy, Thievery Corporation, Modest Mouse, The Dead Weather, Silversun Pickups, Cake, Conor Oberst and the Mystic Valley Band, of Montreal, Band of Horses, The Faint, Bassnectar,