GLASTONBURY, ENGLAND – JUNE 24: BB King performs at the Glastonbury Festival at Worthy Farm, Pilton on June 24, 2011 in Glastonbury, England. The festival, which started in 1970 when several hundred hippies paid 1 GBP to watch Marc Bolan, has grown into Europe’s largest music festival attracting more than 175,000 people over five days. (Photo by Fergus McDonald/Getty Images)