Add a 8-bar POP ACOUSTIC BASS track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=POP KEY=C BPM=115.15081787109375 CP=Fmaj7_C6_Em_Gm7_F BARLENGTH=8 INSTLIST=28_61_48_24_53_0_80_1_33_48_0 TRACK_START INST=48 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=80 DENSITY=1 BAR_START TIME_DELTA=2.0 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=60 TIME_DELTA=3.0 NOTE_OFF=60 TIME_DELTA=1.0 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=57 TIME_DELTA=2.0 NOTE_OFF=57 NOTE_ON=55 TIME_DELTA=2.0 NOTE_OFF=55 BAR_END BAR_START NOTE_ON=55 TIME_DELTA=10.0 NOTE_OFF=55 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 BAR_END BAR_START NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=4.0 NOTE_OFF=62 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=1.0 NOTE_OFF=62 TIME_DELTA=1.0 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 BAR_END BAR_START NOTE_ON=62 TIME_DELTA=10.0 NOTE_OFF=62 NOTE_ON=57 TIME_DELTA=2.0 NOTE_OFF=57 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 BAR_END BAR_START TIME_DELTA=2.0 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=60 TIME_DELTA=3.0 NOTE_OFF=60 TIME_DELTA=1.0 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 BAR_END BAR_START NOTE_ON=60 TIME_DELTA=14.0 NOTE_OFF=60 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=53 DENSITY=0 BAR_START BAR_END TRACK_END PIECE_END
TRACK_START INST=33 DENSITY=2 BAR_START TIME_DELTA=4.0 NOTE_ON=41 TIME_DELTA=3.0 NOTE_OFF=41 NOTE_ON=29 TIME_DELTA=1.0 NOTE_OFF=29 NOTE_ON=41 TIME_DELTA=1.0 NOTE_OFF=41 TIME_DELTA=1.0 NOTE_ON=41 TIME_DELTA=1.5 NOTE_OFF=41 TIME_DELTA=0.5 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 TIME_DELTA=1.0 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 BAR_END BAR_START NOTE_ON=36 TIME_DELTA=4.0 NOTE_ON=48 TIME_DELTA=1.0 NOTE_OFF=36 TIME_DELTA=2.0 NOTE_OFF=48 TIME_DELTA=0.5 NOTE_ON=36 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_ON=45 TIME_DELTA=3.5 NOTE_OFF=45 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 BAR_END BAR_START NOTE_ON=35 TIME_DELTA=4.0 NOTE_ON=47 TIME_DELTA=1.0 NOTE_OFF=35 TIME_DELTA=2.0 NOTE_ON=35 TIME_DELTA=0.5 NOTE_OFF=47 TIME_DELTA=0.5 NOTE_OFF=35 NOTE_ON=47 TIME_DELTA=1.0 NOTE_OFF=47 TIME_DELTA=1.0 NOTE_ON=45 TIME_DELTA=1.0 NOTE_OFF=45 TIME_DELTA=1.0 NOTE_ON=47 TIME_DELTA=1.5 NOTE_OFF=47 TIME_DELTA=0.5 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=31 NOTE_ON=45 TIME_DELTA=0.5 NOTE_OFF=45 TIME_DELTA=3.5 NOTE_ON=43 TIME_DELTA=0.5 NOTE_OFF=31 TIME_DELTA=2.5 NOTE_OFF=43 NOTE_ON=31 TIME_DELTA=1.0 NOTE_OFF=31 NOTE_ON=43 TIME_DELTA=0.5 NOTE_OFF=43 TIME_DELTA=1.5 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=31 TIME_DELTA=1.5 NOTE_OFF=31 TIME_DELTA=0.5 NOTE_ON=41 TIME_DELTA=2.0 NOTE_OFF=41 BAR_END BAR_START NOTE_ON=41 TIME_DELTA=3.0 NOTE_OFF=41 TIME_DELTA=1.0 NOTE_ON=41 TIME_DELTA=3.0 NOTE_OFF=41 NOTE_ON=29 TIME_DELTA=1.0 NOTE_OFF=29 NOTE_ON=41 TIME_DELTA=1.0 NOTE_OFF=41 TIME_DELTA=1.0 NOTE_ON=41 TIME_DELTA=1.5 NOTE_OFF=41 TIME_DELTA=0.5 NOTE_ON=43 TIME_DELTA=1.5 NOTE_OFF=43 TIME_DELTA=0.5 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 BAR_END BAR_START NOTE_ON=36 TIME_DELTA=4.0 NOTE_ON=48 TIME_DELTA=0.5 NOTE_OFF=36 TIME_DELTA=2.5 NOTE_OFF=48 TIME_DELTA=0.5 NOTE_ON=36 TIME_DELTA=0.5 NOTE_OFF=36 NOTE_ON=45 TIME_DELTA=3.5 NOTE_OFF=45 TIME_DELTA=0.5 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 BAR_END BAR_START NOTE_ON=35 TIME_DELTA=4.0 NOTE_ON=47 TIME_DELTA=1.0 NOTE_OFF=35 TIME_DELTA=2.0 NOTE_OFF=47 TIME_DELTA=0.5 NOTE_ON=35 TIME_DELTA=0.5 NOTE_OFF=35 TIME_DELTA=0.5 NOTE_ON=47 TIME_DELTA=0.5 NOTE_OFF=47 TIME_DELTA=1.0 NOTE_ON=45 TIME_DELTA=1.5 NOTE_OFF=45 TIME_DELTA=0.5 NOTE_ON=47 TIME_DELTA=1.5 NOTE_OFF=47 TIME_DELTA=0.5 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=31 NOTE_ON=45 TIME_DELTA=0.5 NOTE_OFF=45 TIME_DELTA=3.5 NOTE_ON=43 TIME_DELTA=0.5 NOTE_OFF=31 TIME_DELTA=2.5 NOTE_OFF=43 NOTE_ON=31 TIME_DELTA=1.0 NOTE_OFF=31 NOTE_ON=43 TIME_DELTA=1.0 NOTE_OFF=43 TIME_DELTA=1.0 NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=31 TIME_DELTA=1.5 NOTE_OFF=31 TIME_DELTA=0.5 NOTE_ON=41 TIME_DELTA=2.0 NOTE_OFF=41 BAR_END TRACK_END