AP Photo/Kiichiro Sato
Steve Winwood, left, and Eric Clapton perform together during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
AP Photo/Kiichiro Sato
Eric Clapton performs during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
AP Photo/Kiichiro Satov
Eric Clapton and Sheryl Crow perform together during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
AP Photo/Kiichiro Sato
Eric Clapton performs during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
Kiichiro Sato
Eric Clapton performs during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
AP Photo/Kiichiro Sato
Eric Clapton acknowledges the crowd during the Crossroads Guitar Festival Saturday, June 26, 2010 in Chicago.
AP Photo/Joel Ryan
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.
Jim Ross
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.
AP Photo/Jim Ross
Colombian singer Shakira performs at Glastonbury Festival, in Glastonbury, England, Saturday, June 26, 2010. The Festival celebrates its 40th anniversary this year.
AP Photo/Joel Ryan
U.S rapper Snoop Dogg performs at Glastonbury Festival, in Glastonbury, Friday, June 25, 2010. The Festival celebrates its 40th anniversary this year.
AP Photo/Joel Ryan
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.
AP Photo/Joel Ryan
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.
AP Photo/Jim Ross
U.S musician Slash performs at Glastonbury Festival, in Glastonbury, England, Sunday, June 27, 2010. The Festival celebrates its 40th anniversary this year.
AP Photo/Jim Ross
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.