Add a 8-bar ROCK TANGO ACCORDION track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=ROCK KEY=Ab BPM=80.97896575927734 CP=Cm7_Abmaj7 BARLENGTH=8 INSTLIST=24_0_56_24_24_27 TRACK_START INST=0 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=24 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=24 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=56 DENSITY=2 BAR_START TIME_DELTA=2.0 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=72 TIME_DELTA=4.0 NOTE_OFF=72 NOTE_OFF=72 NOTE_ON=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=72 BAR_END BAR_START NOTE_ON=72 NOTE_ON=72 TIME_DELTA=4.0 NOTE_OFF=72 NOTE_OFF=72 TIME_DELTA=4.0 NOTE_ON=67 NOTE_ON=67 TIME_DELTA=2.0 NOTE_OFF=67 NOTE_OFF=67 NOTE_ON=67 NOTE_ON=67 TIME_DELTA=4.0 NOTE_OFF=67 NOTE_OFF=67 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_OFF=70 BAR_END BAR_START NOTE_ON=70 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=72 TIME_DELTA=4.0 NOTE_OFF=72 NOTE_OFF=72 NOTE_ON=72 NOTE_ON=72 TIME_DELTA=4.0 NOTE_OFF=72 NOTE_OFF=72 NOTE_ON=67 NOTE_ON=67 TIME_DELTA=4.0 NOTE_OFF=67 NOTE_OFF=67 NOTE_ON=68 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=68 NOTE_OFF=68 BAR_END BAR_START NOTE_ON=68 NOTE_ON=68 TIME_DELTA=4.0 NOTE_OFF=68 NOTE_OFF=68 TIME_DELTA=4.0 NOTE_ON=75 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=75 NOTE_OFF=75 NOTE_ON=74 NOTE_ON=74 TIME_DELTA=4.0 NOTE_OFF=74 NOTE_OFF=74 NOTE_ON=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=72 BAR_END BAR_START NOTE_ON=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=72 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_OFF=70 BAR_END BAR_START NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=67 NOTE_ON=67 TIME_DELTA=2.0 NOTE_OFF=67 NOTE_OFF=67 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=70 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=70 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=72 BAR_END BAR_START NOTE_ON=72 NOTE_ON=72 TIME_DELTA=4.0 NOTE_OFF=72 NOTE_OFF=72 BAR_END TRACK_END PIECE_END
TRACK_START INST=24 DENSITY=2 BAR_START TIME_DELTA=2.0 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=75 TIME_DELTA=4.0 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=68 BAR_END BAR_START NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=75 BAR_END BAR_START TIME_DELTA=2.0 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=75 TIME_DELTA=4.0 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=68 BAR_END BAR_START NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=75 BAR_END BAR_START TIME_DELTA=2.0 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=75 TIME_DELTA=4.0 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=68 BAR_END BAR_START NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=72 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_OFF=75 BAR_END BAR_START TIME_DELTA=2.0 NOTE_ON=84 TIME_DELTA=2.0 NOTE_OFF=84 NOTE_ON=79 TIME_DELTA=2.0 NOTE_OFF=79 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=75 NOTE_ON=84 TIME_DELTA=2.0 NOTE_OFF=84 NOTE_ON=79 TIME_DELTA=2.0 NOTE_OFF=79 NOTE_ON=72 TIME_DELTA=2.0 NOTE_OFF=72 NOTE_ON=79 TIME_DELTA=2.0 NOTE_OFF=79 BAR_END BAR_START NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=75 NOTE_ON=82 TIME_DELTA=2.0 NOTE_OFF=82 NOTE_ON=70 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_ON=84 TIME_DELTA=2.0 NOTE_OFF=84 NOTE_ON=82 TIME_DELTA=2.0 NOTE_OFF=82 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=75 NOTE_ON=82 TIME_DELTA=2.0 NOTE_OFF=82 BAR_END TRACK_END