Of course Pittsburghers like such classics as Richard Berry’s “Louie Louie” and the Viscounts’ “Harlem Nocturne.” But if the Dee Williams Sextette’s “Bongo Blues (Porky Chedwick’s Theme Song)” raises eyebrows, all bets are off with Jimmy Heap’s Weirdsville!-worthy “Gismo.” —Dave Nuttycombe