THE KAISER CARTEL Rock Island myspace.com/kaisercartel With Courtney Kaiser the prominent voice and partner Benjamin Cartel supplying graceful accompaniment and hushed harmonies, duo The Kaiser Cartel creates an ethereal glow that’s all bittersweet sentiment and emo expression. This new five-song EP’s opening track, “Carroll Street Station,” makes for a grabby intro, but otherwise the instrumentation is kept rather sparse—a tumble of acoustic...