CLARKSTON, MI - AUGUST 24: Tom Petty and the Heartbreakers perform at DTE Energy Music Theater on August 24, 2014 in Clarkston, Michigan. (Photo by Scott Legato/Getty Images)
CLARKSTON, MI - AUGUST 24: Tom Petty and the Heartbreakers perform at DTE Energy Music Theater on August 24, 2014 in Clarkston, Michigan. (Photo by Scott Legato/Getty Images)