AP Photo/Dave Martin
Radiohead performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Yukimi Nagano of Little Dragon performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Alex Trimble of Two Door Cinema Club performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Ludacris performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Rodrigo of Rodrigo Y Gabriela and C.U.B.A. perform during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Knoxville News Sentinel, Adam Brimer
Moon Taxi lead singer Trevor Terdrup performs with his band on the Sonic Stage June 8, 2012, during the 11th annual Bonnaroo Music and Arts Festival in Manchester, Tenn.
AP Photo/Dave Martin
Leslie Feist performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Jonny Greewood of Radiohead performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 8, 2012.
AP Photo/Dave Martin
Charles Bradley performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
The Punch Brothers perform during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Childish Gambino performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Tuba Gooding Jr of The Roots performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Dispatch performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Santigold performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Music fans react as Santigold performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Lex Hirst, of Sydney,cools off in the Centeroo Fountain during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 9, 2012.
AP Photo/Dave Martin
Phish performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
James Mercer of The Shins performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Justin Vernon of Bon Iver performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Rapper Mac Miller performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Kenny Rogers performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Music fans react as Bon Iver performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Jared Swilley of The Black Lips performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
From left, Mike Love and Al Jardine of The Beach Boys performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Fans react during a performance by The Black Lips during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Gary Clark Jr. performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
DeAngelo performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Cole Alexander of the Black Lips performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
AP Photo/Dave Martin
Alice Cooper performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., June 10, 2012.
