GLASTONBURY, ENGLAND - JUNE 25:  A festival-goer sleeps as Pulp performs on the Park Stage on  at the Glastonbury Festival site at Worthy Farm, Pilton on June 25, 2011. This year's festival features headline acts U2, Coldplay and Beyonce. 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 Matt Cardy/Getty Images)