From the unyielding strictures of Minor Threat's straight-edge hardcore to the confrontational formalism of Fugazi's surgical AOR, Ian MacKaye is a musical puritan as well as all the other kinds. Obsessed with corruption, he's learned that words and voices don't excise it as efficiently as a well-honed guitar. So if the rock-solid precision of Guy Picciotto's distorto riffs offer something like pleasure, that's a contradiction MacKaye will have to live with, because Picciotto is the star of a unit that no matter what you read is just now coming on. A-