Dimebag Darrell might have gone to the great Guitar Shop in the Sky, but he is certainly not forgotten. Dimestock '13 brings the seventh edition of the memorial to the legendary guitar god, with Blessiddoom, Mahamawaldi and the Royal Fingers covering their fave songs. Plus, there's a black tooth grin special and pink beard contest. Dark Horse Bar, 1805 Regent Ave. 8 PM. $5.