Add a 8-bar POP LEAD 1 (SQUARE) track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=POP KEY=D BPM=54.393184661865234 CP=Am_Dm_Bb_Am_Bb BARLENGTH=8 INSTLIST=53_DRUMS_38_81_24_29_0 TRACK_START INST=53 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=38 DENSITY=3 BAR_START NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=2.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=2.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 BAR_END BAR_START NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=2.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=2.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 BAR_END BAR_START NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=2.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=2.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=50 TIME_DELTA=1.0 NOTE_OFF=50 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 BAR_END BAR_START NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=2.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=2.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=48 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=46 TIME_DELTA=1.0 NOTE_OFF=46 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 BAR_END TRACK_END TRACK_START INST=0 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=29 DENSITY=1 BAR_START BAR_END BAR_START NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=3.0 NOTE_OFF=65 BAR_END BAR_START NOTE_ON=60 TIME_DELTA=1.0 NOTE_OFF=60 NOTE_ON=60 TIME_DELTA=1.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=3.0 NOTE_OFF=64 BAR_END BAR_START NOTE_ON=58 TIME_DELTA=1.0 NOTE_OFF=58 NOTE_ON=58 TIME_DELTA=1.0 NOTE_OFF=58 NOTE_ON=60 TIME_DELTA=1.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 BAR_END BAR_START NOTE_ON=57 TIME_DELTA=1.0 NOTE_OFF=57 NOTE_ON=57 TIME_DELTA=1.0 NOTE_OFF=57 NOTE_ON=58 TIME_DELTA=1.0 NOTE_OFF=58 NOTE_ON=61 TIME_DELTA=5.0 NOTE_OFF=61 NOTE_ON=57 TIME_DELTA=1.0 NOTE_OFF=57 NOTE_ON=58 TIME_DELTA=1.0 NOTE_OFF=58 NOTE_ON=61 TIME_DELTA=1.0 NOTE_OFF=61 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 BAR_END BAR_START NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=3.0 NOTE_OFF=65 BAR_END TRACK_END PIECE_END
TRACK_START INST=81 DENSITY=2 BAR_START NOTE_ON=64 TIME_DELTA=9.0 NOTE_OFF=64 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=1.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=60 TIME_DELTA=1.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 BAR_END BAR_START TIME_DELTA=6.0 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=65 TIME_DELTA=1.0 NOTE_OFF=65 NOTE_ON=58 TIME_DELTA=3.0 NOTE_OFF=58 NOTE_ON=65 TIME_DELTA=1.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 BAR_END BAR_START TIME_DELTA=6.0 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=57 TIME_DELTA=3.0 NOTE_OFF=57 NOTE_ON=57 TIME_DELTA=1.0 NOTE_OFF=57 NOTE_ON=57 TIME_DELTA=1.0 NOTE_OFF=57 NOTE_ON=57 TIME_DELTA=1.0 NOTE_OFF=57 NOTE_ON=58 TIME_DELTA=1.0 NOTE_OFF=58 BAR_END BAR_START TIME_DELTA=4.0 NOTE_ON=65 TIME_DELTA=3.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 BAR_END BAR_START TIME_DELTA=12.0 NOTE_ON=65 TIME_DELTA=1.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=60 TIME_DELTA=1.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 BAR_END BAR_START TIME_DELTA=6.0 NOTE_ON=69 TIME_DELTA=2.0 NOTE_OFF=69 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=62 TIME_DELTA=3.0 NOTE_OFF=62 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=60 TIME_DELTA=1.0 NOTE_OFF=60 BAR_END BAR_START NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=67 TIME_DELTA=2.0 NOTE_OFF=67 NOTE_ON=60 TIME_DELTA=4.0 NOTE_OFF=60 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=1.0 NOTE_OFF=65 BAR_END BAR_START NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=3.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=3.0 NOTE_OFF=64 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 BAR_END TRACK_END