Add a 4-bar ROCK GUNSHOT track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=ROCK KEY=A BPM=148 CP=Am_F#m7b5_Em_F#m7b5 BARLENGTH=4 INSTLIST=0_53_32_0_53_42_25 TRACK_START INST=32 DENSITY=2 BAR_START NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 BAR_END BAR_START NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=31 TIME_DELTA=4.0 NOTE_OFF=31 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=35 TIME_DELTA=4.0 NOTE_OFF=35 NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 BAR_END TRACK_END TRACK_START INST=42 DENSITY=1 BAR_START TIME_DELTA=3.4 NOTE_ON=60 TIME_DELTA=7.683333333333334 NOTE_OFF=60 TIME_DELTA=0.11666666666666667 NOTE_ON=62 TIME_DELTA=4.8 NOTE_OFF=62 BAR_END BAR_START NOTE_ON=62 TIME_DELTA=3.3333333333333335 NOTE_ON=60 TIME_DELTA=0.2833333333333332 NOTE_OFF=62 TIME_DELTA=7.85 NOTE_ON=59 TIME_DELTA=0.23333333333333334 NOTE_OFF=60 TIME_DELTA=4.3 NOTE_OFF=59 BAR_END BAR_START NOTE_ON=59 TIME_DELTA=3.716666666666667 NOTE_ON=55 TIME_DELTA=0.2333333333333334 NOTE_OFF=59 TIME_DELTA=9.0 NOTE_OFF=55 TIME_DELTA=0.11666666666666667 NOTE_ON=52 TIME_DELTA=2.3 NOTE_ON=64 TIME_DELTA=0.48333333333333334 NOTE_OFF=52 TIME_DELTA=0.15 NOTE_OFF=64 BAR_END BAR_START NOTE_ON=64 TIME_DELTA=1.1833333333333333 NOTE_ON=62 TIME_DELTA=0.6499999999999999 NOTE_OFF=64 TIME_DELTA=1.9000000000000001 NOTE_ON=60 TIME_DELTA=0.85 NOTE_OFF=62 TIME_DELTA=3.1166666666666667 NOTE_ON=59 TIME_DELTA=0.45 NOTE_OFF=60 TIME_DELTA=3.8333333333333335 NOTE_ON=57 TIME_DELTA=0.23333333333333334 NOTE_OFF=59 TIME_DELTA=3.783333333333333 NOTE_OFF=57 BAR_END TRACK_END TRACK_START INST=53 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=25 DENSITY=3 BAR_START NOTE_ON=64 NOTE_ON=60 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 TIME_DELTA=4.0 NOTE_OFF=64 NOTE_OFF=60 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_ON=64 NOTE_ON=60 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 TIME_DELTA=4.0 NOTE_OFF=64 NOTE_OFF=60 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_ON=64 NOTE_ON=60 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 TIME_DELTA=4.0 NOTE_OFF=64 NOTE_OFF=60 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_ON=52 NOTE_ON=45 NOTE_ON=40 TIME_DELTA=4.0 NOTE_OFF=52 NOTE_OFF=45 NOTE_OFF=40 BAR_END BAR_START NOTE_ON=60 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 NOTE_ON=42 TIME_DELTA=4.0 NOTE_OFF=60 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_OFF=42 NOTE_ON=60 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 NOTE_ON=42 TIME_DELTA=4.0 NOTE_OFF=60 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_OFF=42 NOTE_ON=60 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 NOTE_ON=42 TIME_DELTA=4.0 NOTE_OFF=60 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_OFF=42 NOTE_ON=45 NOTE_ON=42 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=52 NOTE_ON=47 NOTE_ON=40 TIME_DELTA=4.0 NOTE_OFF=52 NOTE_OFF=47 NOTE_OFF=40 NOTE_ON=52 NOTE_ON=47 NOTE_ON=40 TIME_DELTA=4.0 NOTE_OFF=52 NOTE_OFF=47 NOTE_OFF=40 NOTE_ON=47 NOTE_ON=40 TIME_DELTA=4.0 NOTE_OFF=47 NOTE_OFF=40 NOTE_ON=45 NOTE_ON=42 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=45 NOTE_ON=43 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=43 NOTE_ON=45 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_ON=47 TIME_DELTA=4.0 NOTE_OFF=47 NOTE_ON=45 NOTE_ON=40 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=40 BAR_END TRACK_END PIECE_END
TRACK_START INST=0 DENSITY=2 BAR_START NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 BAR_END BAR_START NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 NOTE_ON=30 TIME_DELTA=4.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=31 TIME_DELTA=4.0 NOTE_OFF=31 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=35 TIME_DELTA=4.0 NOTE_OFF=35 NOTE_ON=28 TIME_DELTA=4.0 NOTE_OFF=28 BAR_END TRACK_END