The Buttholes' mutant DNA stretches across the alt-rock genome. The trippy vocal gurgle threaded into White Zombie's industrial metal resembles Gibby Haynes' Gibbytronix effects. And on the grunge nugget “Swap Meet,” Kurt Cobain echoes Paul Leary's gnarled mix of metal riffs and punk rage. Then there's Pissed Jeans, who channel their heroes' sinister sleaze into grinding, tough-as-nails scum.