PAK/Powerlunch/ Wolf Vs.

Rock/Pop

One of Black Sabbath's latter-day vocalists tells of his first visit to Tony Iommi's house, when he opened the guitarist's kitchen cabinets to find them stocked with grocery bags filled with tapes containing nothing but riffs. If you ran those bags through a wood-chipper and put them randomly back together, the result may sound something like this triple-bill. Prog and punk, seemingly disparate branches of the rock family tree, intertwine via no-wave and free jazz. Headliners PAK, formed by Ron Anderson of 1980s Philly noise-rockers Rat At Rat R, are the most aggro of the three, with vocals barked out over a tense stop-start barrage. With more space for improv, Powerlunch has a jazzier vibe, but bassist Evan Lipson's whiplash-inducing compositions call for abrupt shifts from metal crunch to quiet textures to cool swing to reggae riddims. You might want to wear a helmet.

Fri., June 10, 7:30 p.m., free (donations encouraged), The Athenaeum, 2011 S. Juniper St., www.lifeactionrevival.org.

—Shaun Brady

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