Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Music fans listen to Foster The People during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

(AP Photo/Dave Martin)

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012.

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)

Foster The People at Bonnaroo 2012

Mark Foster of Foster The People performs during the Bonnaroo Music and Arts Festival in Manchester, Tenn., Friday, June 8, 2012. (AP Photo/Dave Martin)