Bonaroo Festival

Actors Justin Long (L) and Drew Barrymore attend the Bon Iver performance at Day Three of the 2009 Bonnaroo Music and Arts Festival on June 13, 2009 in Manchester, Tennessee.

Tim Mosenfelder, Getty Images

Reclusive singer Erykah Badu performs in a hat, hoodie and sunglasses during the Bonnaroo Arts and Music Festival in Manchester, Tenn., Sunday, June 14, 2009.

Dave Martin, AP

The Yeah Yeah Yeahs, featuring Karen O, left, drummer Brian Chase and guitarist Nick Zinner performs during the Bonnaroo Arts and Music Festival in Manchester, Tenn., Friday, June 12, 2009.

Dave Martin, AP

Snoop Dogg performs during the Bonnaroo Arts and Music Festival in Manchester, Tenn., Sunday, June 14, 2009.

Dave Martin, AP

Andrew Van Wyngarden of MGMT performs during the 2009 Bonnaroo Music and Arts Festival on June 13, 2009 in Manchester, Tennessee.

Jay West, WireImage

Ben Bridwell of Band of Horses performs as part of Day Four of the 2009 Bonnaroo Music and Arts Festival on June 14, 2009 in Manchester, Tennessee.

Tim Mosenfelder, Getty Images

Jeff Tweedy of Wilco performs during the Bonnaroo Arts and Music Festival in Manchester, Tenn., Saturday, June 13, 2009.

Dave Martin, AP

Musician Erika Wennerstrom of Heartless Bastards performs on stage during Bonnaroo 2009 on June 13, 2009 in Manchester, Tennessee.

Jeff Kravitz, FilmMagic

Ted Leo and the Pharmacists perform on stage during Bonnaroo 2009 on June 14, 2009 in Manchester, Tennessee.

Jason Merritt, FilmMagic

Raphael Saadiq performs during the Bonnaroo Arts and Music Festival in Manchester, Tenn., Saturday, June 13, 2009.

Dave Martin, AP