From the official site.

Looks like it might be worth getting wet this year, a lot better than the last few years IMO.

Friday, May 1 – Gates Open @ 5pm

The All-American Rejects
Steve Miller Band
Ben Harper & Relentless7
Tommy Castro
Katy Perry
The Cult
G. Love & Special Sauce
Jack’s Mannequin
Rise Against
Ronnie Baker Brooks
Matt Nathanson
Medeski, Martin & Wood
Lurrie Bell
Bonnie Bramlett

Saturday, May 2 – Gates Open @ 1pm

Al Green
Korn
George Clinton & Parliament Funkadelic
John Lee Hooker, Jr.
Shinedown
Elvis Costello
The Roots
Curtis Salgado
Saving Abel
Los Lobos
Michael Burks
The Bar-Kays
Thriving Ivory
Susan Tedeschi
Julian Marley
Cedric Burnside & Lightin’ Malcolm
Chancho En Piedra (from Chile)
Muck Sticky
Green Rive Ordinance
Hubert Sumlin
Billy Gibson Band
Shane Dwight
Jump Back Jake

Sunday, May 3 – Gates Open at 1pm

James Taylor
311
Fall Out Boy
John Mayall & The Bluesbreakers
Hinder
Bonnie Raitt
Snoop Dogg
Guitar Shorty
Theory of a Deadman
Jerry Lee Lewis
Three 6 Mafia
Sherman Robertson
Chancho En Piedra (from Chile)
Amos Lee
Prosevere
Damon Fowler
Dead Confederate
Reba Russell Band