Steve Winwood, left, and Eric Clapton perform together during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
Eric Clapton performs during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
Eric Clapton and Sheryl Crow perform together during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
Eric Clapton performs during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
Eric Clapton performs during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
Eric Clapton acknowledges the crowd during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
US musician Stevie Wonder performs, during the Glastonbury Festival, in Glastonbury, England, Sunday, June 27, 2010. This year marks the 40th anniversary of the festival.
U.S. band The Flaming Lips, frontman Wayne Coyne takes a trip across the heads of the crowd inside a plastic bubble, as the band performs at Glastonbury Festival, in Glastonbury, England, Friday, June 25, 2010. The Festival celebrates its 40th anniversary this year.
Colombian singer Shakira performs at Glastonbury Festival, in Glastonbury, England, Saturday, June 26, 2010. The Festival celebrates its 40th anniversary this year.
U.S rapper Snoop Dogg performs at Glastonbury Festival, in Glastonbury, Friday, June 25, 2010. The Festival celebrates its 40th anniversary this year.
Australian singer Kylie Minogue performs with the Scissor Sisters at Glastonbury Festival, in Glastonbury, England, Saturday, June 26, 2010. The Festival celebrates its 40th anniversary this year.
Revelers react, as they watch British Band Faithless perform, during the Glastonbury Festival, in Glastonbury, England, Sunday, June 27, 2010. This year is the 40th anniversary of the festival.
U.S musician Slash performs at Glastonbury Festival, in Glastonbury, England, Sunday, June 27, 2010. The Festival celebrates its 40th anniversary this year.
U.S musician Jack White of The Dead Weather performs at the Glastonbury Festival, in Glastonbury, England, Saturday, June 26, 2010. The Festival celebrates its 40th anniversary this year.