Indie rock has steadily mined and reforged the past’s sonic potential, whether it’s refashioning ’60s-girl-group melodies into shoegaze or adding synthesizers to turn post-punk into danceable electro. Brooklyn, New York, duo Sleigh Bells are one of the first, however, to make the 2000s seem vintage. When they released their four-song demo in 2009, the genre listed in iTunes was “dream crunk”—an apt, made-up genre for a sound that encompasses Jock Jams synth bleats, arena-rock guitar riffs, and alternately breathy and freakishly impassioned vocals from lead... More >>>