BOARDS OF CANADA Geogaddi (Warp) The Scottish duo's murky electronic grooves lurch forward like industrial bilge through a junkyard. Tribal beats slog along drowsily but insistently; voices call out from the deep background, then vanish; fugitive synth sounds float up and crash-land. Boards' depth-of-field approach is abstract but has just enough focus to sustain clarity. B+ --Marc Weingarten
