Four 12-tone Two-part Inventions, Op.15, 4:31 Jeffrey Wagner, piano Four 12-tone Two-part Inventions, Op.15, 4:31 Jeffrey Wagner, piano Streichtrio Op.15/9, 16:17 Streichtrio Bell’Arte Symphonia brevis Op.16 , 20:19 Sinfonieorchester des SWF, dir : Hand Rosbaud