Crowd surfer rides cheering fans during the Grouplove performance at the Firefly Music Festival in Dover...
A crowd surfer rides cheering fans during the Grouplove performance at the Firefly Music Festival in Dover June 21, 2014. The four-day festival is set at the 105 acre grounds on the Dover International Speedway where many well known bands will perform. REUTERS/Mark Makela (UNITED STATES - Tags: ENTERTAINMENT)