Add a 8-bar ROCK ROCK ORGAN track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=ROCK KEY=D BPM=53.21311950683594 CP=A7_Dm_A_Bb6_A BARLENGTH=8 INSTLIST=6_1_53_29_18_33_19_24_19 TRACK_START INST=24 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=53 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=1 DENSITY=0 BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END TRACK_END TRACK_START INST=19 DENSITY=0 BAR_START BAR_END TRACK_END PIECE_END
TRACK_START INST=19 DENSITY=0 BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START NOTE_ON=79 NOTE_ON=67 NOTE_ON=74 TIME_DELTA=16.0 NOTE_OFF=79 NOTE_OFF=67 NOTE_OFF=74 BAR_END BAR_START NOTE_ON=69 NOTE_ON=81 NOTE_ON=77 TIME_DELTA=16.0 NOTE_OFF=69 NOTE_OFF=81 NOTE_OFF=77 BAR_END BAR_START NOTE_ON=67 NOTE_ON=74 NOTE_ON=79 TIME_DELTA=16.0 NOTE_OFF=67 NOTE_OFF=74 NOTE_OFF=79 BAR_END TRACK_END