Album review: M83 goes bubble-gum with 'Junk'

With his army of vintage keyboards and synthesizers, M83's Anthony Gonzalez has made a career of warm, textured nostalgia. His 2011 breakthrough, "Hurry Up, We're Dreaming," was a double album about his boyhood in the south of France. Strings and brass swept its wistful melodies to baroque heights. …