PIECE_START COMPOSER=CHOPIN_FREDERIC PERIOD= GENRE=TIME_SIG=4/4 TRACK_START INST=0 DENSITY=0 BAR_START TIME_DELTA=48 BAR_END BAR_START TIME_DELTA=48 BAR_END BAR_START TIME_DELTA=48 BAR_END BAR_START TIME_DELTA=48 BAR_END BAR_START TIME_DELTA=48 BAR_END BAR_START TIME_DELTA=48 BAR_END TRACK_END