“Imagine being pummelled in the face with chunks of watermelon while ‘Master of Puppets’ is filling your ears.” That’s pretty much the concept behind Metallagher, a Minneapolis outfit that brings together the songs of Metallica and the barely chuckle-inducing, watermelon-smashing comedy of Gallagher. There are also very historically inaccurate wigs involved, although I think that’s part of the act?. I dunno. August, you guys. [MySpace; HT Joe Gross]