Add a 4-bar OTHER SYNTH BASS 2 track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=OTHER KEY=E BPM=89 CP=E_B_Ebm7b5_E BARLENGTH=4 INSTLIST=24_53_73_25_40 TRACK_START INST=24 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=53 DENSITY=0 BAR_START BAR_END TRACK_END TRACK_START INST=73 DENSITY=1 BAR_START TIME_DELTA=2.066666666666667 NOTE_ON=61 TIME_DELTA=1.9999999999999996 NOTE_OFF=61 NOTE_ON=64 TIME_DELTA=3.0 NOTE_OFF=64 TIME_DELTA=0.9333333333333336 NOTE_ON=59 TIME_DELTA=4.0 NOTE_OFF=59 TIME_DELTA=2.0 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=59 BAR_END BAR_START NOTE_ON=61 TIME_DELTA=3.0 NOTE_OFF=61 TIME_DELTA=1.0 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=66 TIME_DELTA=3.0 NOTE_OFF=66 TIME_DELTA=1.0 NOTE_ON=66 TIME_DELTA=3.0 NOTE_OFF=66 BAR_END BAR_START NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=68 TIME_DELTA=6.0 NOTE_OFF=68 TIME_DELTA=1.4333333333333336 NOTE_ON=66 TIME_DELTA=2.566666666666667 NOTE_OFF=66 BAR_END BAR_START NOTE_ON=66 TIME_DELTA=0.43333333333333335 NOTE_OFF=66 TIME_DELTA=1.6333333333333335 NOTE_ON=64 TIME_DELTA=8.0 NOTE_OFF=64 BAR_END TRACK_END TRACK_START INST=25 DENSITY=4 BAR_START TIME_DELTA=2.0 NOTE_ON=69 NOTE_ON=57 NOTE_ON=61 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=69 NOTE_OFF=57 NOTE_OFF=61 NOTE_OFF=64 NOTE_ON=45 NOTE_ON=57 NOTE_ON=64 NOTE_ON=61 NOTE_ON=52 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=64 NOTE_OFF=61 NOTE_OFF=52 NOTE_ON=47 NOTE_ON=59 NOTE_ON=56 NOTE_ON=64 NOTE_ON=40 NOTE_ON=52 TIME_DELTA=8.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=56 NOTE_OFF=64 NOTE_OFF=40 NOTE_OFF=52 BAR_END BAR_START NOTE_ON=63 NOTE_ON=59 NOTE_ON=42 NOTE_ON=54 NOTE_ON=47 TIME_DELTA=2.0 NOTE_OFF=63 NOTE_OFF=59 NOTE_OFF=42 NOTE_OFF=54 NOTE_ON=59 NOTE_ON=54 NOTE_ON=47 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=54 NOTE_ON=54 NOTE_ON=57 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=54 NOTE_OFF=57 NOTE_ON=63 NOTE_ON=47 NOTE_ON=54 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=63 NOTE_OFF=47 NOTE_OFF=54 NOTE_OFF=59 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=63 NOTE_ON=47 NOTE_ON=54 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=63 NOTE_OFF=47 NOTE_OFF=54 NOTE_OFF=59 NOTE_ON=54 NOTE_ON=47 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=47 NOTE_ON=47 NOTE_ON=42 NOTE_ON=54 NOTE_ON=63 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=42 NOTE_OFF=54 NOTE_OFF=63 BAR_END BAR_START NOTE_ON=45 NOTE_ON=61 NOTE_ON=52 NOTE_ON=57 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_OFF=61 NOTE_OFF=52 NOTE_OFF=57 NOTE_ON=57 NOTE_ON=52 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=57 NOTE_OFF=52 NOTE_OFF=45 NOTE_ON=54 NOTE_ON=57 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_OFF=54 NOTE_OFF=57 NOTE_ON=63 NOTE_ON=47 NOTE_ON=54 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=63 NOTE_OFF=47 NOTE_OFF=54 NOTE_OFF=59 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=59 NOTE_ON=68 NOTE_ON=47 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=59 NOTE_OFF=68 NOTE_OFF=47 NOTE_OFF=54 NOTE_ON=47 NOTE_ON=75 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=75 NOTE_ON=47 NOTE_ON=66 NOTE_ON=59 NOTE_ON=63 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=66 NOTE_OFF=59 NOTE_OFF=63 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=52 NOTE_ON=64 NOTE_ON=47 NOTE_ON=56 NOTE_ON=44 NOTE_ON=40 TIME_DELTA=2.0 NOTE_OFF=52 NOTE_OFF=64 NOTE_OFF=47 NOTE_OFF=56 NOTE_ON=56 NOTE_ON=47 NOTE_ON=52 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_OFF=56 NOTE_OFF=47 NOTE_OFF=52 NOTE_ON=52 NOTE_ON=56 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=40 NOTE_OFF=52 NOTE_OFF=56 NOTE_OFF=44 NOTE_ON=64 NOTE_ON=40 NOTE_ON=52 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_OFF=40 NOTE_OFF=52 NOTE_OFF=56 NOTE_ON=47 NOTE_ON=52 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=52 NOTE_ON=64 NOTE_ON=40 NOTE_ON=56 NOTE_ON=52 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_OFF=40 NOTE_OFF=56 NOTE_OFF=52 NOTE_ON=47 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=68 NOTE_ON=44 NOTE_ON=52 NOTE_ON=64 NOTE_ON=71 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_OFF=52 NOTE_OFF=64 NOTE_OFF=71 BAR_END TRACK_END 
TRACK_START INST=40 DENSITY=1 BAR_START TIME_DELTA=2.0 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=61 TIME_DELTA=0.06666666666666643 NOTE_ON=64 TIME_DELTA=3.0 NOTE_OFF=64 TIME_DELTA=0.9333333333333336 NOTE_ON=59 TIME_DELTA=4.0 NOTE_OFF=59 TIME_DELTA=2.0 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=59 BAR_END BAR_START NOTE_ON=61 TIME_DELTA=3.0 NOTE_OFF=61 TIME_DELTA=1.0 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=66 TIME_DELTA=3.0 NOTE_OFF=66 TIME_DELTA=1.0 NOTE_ON=66 TIME_DELTA=3.0 NOTE_OFF=66 BAR_END BAR_START NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=66 TIME_DELTA=1.9333333333333336 NOTE_OFF=66 TIME_DELTA=0.06666666666666643 NOTE_ON=68 TIME_DELTA=6.0 NOTE_OFF=68 TIME_DELTA=1.4333333333333336 NOTE_ON=66 TIME_DELTA=2.566666666666667 NOTE_OFF=66 BAR_END BAR_START NOTE_ON=66 TIME_DELTA=0.43333333333333335 NOTE_OFF=66 TIME_DELTA=1.6333333333333335 NOTE_ON=64 TIME_DELTA=8.0 NOTE_OFF=64 BAR_END TRACK_END PIECE_END