St. Lucia, the stage name of one-ish-man band Jean-Philip Grobler, doesn’t make songs as much as meticulously crafted aural confections —  incandescent synths, aerial choirboy harmonies, sparkling-clean guitar lines (the closest thing to an audible indication of Brooklynite Grobler’s South African homeland) and tropical-tinged, Day-Glo house wrap around a misty-eyed, ’80s-baby heart. March’s eponymous EP (Neon Gold) made for a fine appetizer, but recent single “September,” a slow-building dream-dance burner, is a major leap forward and an indication that St. Lucia may just be getting warm. Even more than its predecessors, it has that same combination of floatiness and urgency, widescreen anthemics and minute attention to detail that makes Cut Copy’s best work so throbbingly tremendous. Watch out, 2013: This year St. Lucia remixed Passion Pit and Foster the People; next year it may leave them all in the dust.

Thu., Dec. 6, 8 p.m., $10, with Gold Fields and Lockets, The Barbary, 951 Frankford Ave., 215-634-7400,
r5productions.com.