Intermittently bludgeoning, Die Warzau‘s new Engine has an airiness and sauntering ease rare among the outfit’s Wax Trax peers. The Chicago duo hasn’t exactly invented island-industrial, but those steel drums don’t sound out of place on “Lizardoplacentis.” With Sister Machine Gun at 9:30 p.m. at the Black Cat, 1831 14th St. NW. $10. (202) 667-7960. (MJ)