Add a 4-bar POP SLAP BASS 2 track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=POP KEY=D BPM=71 CP=A_Dm_E7_Bb_C BARLENGTH=4 INSTLIST=38_DRUMS_53_0_81 TRACK_START INST=DRUMS DENSITY=4 BAR_START NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 BAR_END BAR_START NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 BAR_END BAR_START NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 BAR_END BAR_START NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 NOTE_ON=36 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=36 NOTE_OFF=70 NOTE_ON=38 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=70 NOTE_ON=54 TIME_DELTA=1.0 NOTE_OFF=54 NOTE_ON=70 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=70 BAR_END TRACK_END TRACK_START INST=53 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=0 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=81 DENSITY=2 BAR_START NOTE_ON=57 TIME_DELTA=16.0 NOTE_OFF=57 BAR_END BAR_START NOTE_ON=57 TIME_DELTA=4.0 NOTE_OFF=57 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=1.0 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 BAR_START NOTE_ON=62 TIME_DELTA=4.0 NOTE_OFF=62 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=67 TIME_DELTA=2.0 NOTE_OFF=67 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=65 BAR_END BAR_START NOTE_ON=65 TIME_DELTA=0.020833333333333332 NOTE_OFF=65 TIME_DELTA=1.9791666666666667 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=64 TIME_DELTA=1.0 NOTE_OFF=64 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=62 TIME_DELTA=3.0 NOTE_OFF=62 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=60 TIME_DELTA=2.0 NOTE_OFF=60 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 BAR_END TRACK_END PIECE_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=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 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=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=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 BAR_END TRACK_END