The Lockn’ Music Festival has announced another big name headlining act for this year’s concert. Tom Petty and the Heartbreakers will headline one night at the festival. The band joins other acts who have already signed on like Willie Nelson, The Allman Brothers Band, and Gary Clark Junior. Lockn’ will runs from September 4 through 7 in the Arrington community of Nelson County. CLICK HERE to see schedule and event information.