The word "eclectic" doesn't quite begin to cover the diversity of styles and influences that come together in the Brooklyn-based ensemble Barbez. The band's lineup includes a virtuoso Theremin player, a percussionist manning a marimba, and someone who conjures noises from a PalmPilot. The group's repertoire includes Russian folk songs, the music of Kurt Weill, and covers of Black Sabbath and the Residents. And Barbez's performances can be jaunty, haunting, or thunderously chaotic -- sometimes all within the same song. Barbez is made up of Dan Kaufman (Rebecca Moore) on guitar,...