Add a 8-bar ROCK FRETLESS BASS track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=ROCK KEY=F# BPM=67.65467071533203 CP=F# BARLENGTH=8 INSTLIST=68_28_24_24_36_18_16_53 TRACK_START INST=68 DENSITY=3 BAR_START NOTE_ON=70 NOTE_ON=66 TIME_DELTA=2.0 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=70 NOTE_OFF=66 NOTE_OFF=56 NOTE_ON=58 NOTE_ON=68 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=58 NOTE_OFF=68 NOTE_OFF=65 NOTE_ON=58 NOTE_ON=66 NOTE_ON=63 TIME_DELTA=4.0 NOTE_OFF=58 NOTE_OFF=66 NOTE_OFF=63 NOTE_ON=56 NOTE_ON=68 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=68 NOTE_OFF=61 BAR_END BAR_START NOTE_ON=56 NOTE_ON=68 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=56 TIME_DELTA=2.0 NOTE_OFF=68 NOTE_OFF=61 TIME_DELTA=8.0 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=54 NOTE_ON=70 NOTE_ON=73 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=70 NOTE_OFF=73 BAR_END BAR_START NOTE_ON=54 NOTE_ON=70 NOTE_ON=73 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=70 NOTE_OFF=73 NOTE_ON=56 NOTE_ON=70 NOTE_ON=73 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=70 NOTE_OFF=73 NOTE_ON=58 NOTE_ON=71 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=58 NOTE_OFF=71 NOTE_OFF=68 NOTE_ON=58 NOTE_ON=66 NOTE_ON=70 TIME_DELTA=4.0 NOTE_OFF=58 NOTE_OFF=66 NOTE_OFF=70 NOTE_ON=56 NOTE_ON=65 NOTE_ON=73 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=65 NOTE_OFF=73 BAR_END BAR_START NOTE_ON=56 NOTE_ON=65 NOTE_ON=73 TIME_DELTA=2.0 NOTE_OFF=56 NOTE_OFF=65 NOTE_OFF=73 TIME_DELTA=6.0 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=51 TIME_DELTA=2.0 NOTE_OFF=51 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=54 BAR_END BAR_START NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=56 NOTE_ON=63 TIME_DELTA=2.0 NOTE_OFF=56 NOTE_OFF=63 NOTE_ON=58 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=58 NOTE_OFF=66 NOTE_ON=58 NOTE_ON=66 TIME_DELTA=4.0 NOTE_OFF=58 NOTE_OFF=66 NOTE_ON=56 NOTE_ON=65 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=65 BAR_END BAR_START NOTE_ON=56 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=56 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_ON=59 TIME_DELTA=4.0 NOTE_OFF=59 NOTE_ON=61 TIME_DELTA=2.0 NOTE_ON=54 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=49 BAR_END BAR_START TIME_DELTA=2.0 NOTE_ON=54 NOTE_ON=70 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=70 NOTE_OFF=66 NOTE_ON=56 NOTE_ON=66 NOTE_ON=63 TIME_DELTA=2.0 NOTE_OFF=56 NOTE_OFF=66 NOTE_OFF=63 NOTE_ON=58 NOTE_ON=70 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=58 NOTE_OFF=70 NOTE_OFF=66 NOTE_ON=58 NOTE_ON=70 NOTE_ON=66 TIME_DELTA=4.0 NOTE_OFF=58 NOTE_OFF=70 NOTE_OFF=66 NOTE_ON=56 NOTE_ON=65 NOTE_ON=68 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=65 NOTE_OFF=68 BAR_END BAR_START NOTE_ON=56 NOTE_ON=65 NOTE_ON=68 TIME_DELTA=2.0 NOTE_OFF=56 TIME_DELTA=8.0 NOTE_OFF=65 NOTE_OFF=68 BAR_END TRACK_END TRACK_START INST=28 DENSITY=4 BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 NOTE_ON=73 NOTE_ON=85 TIME_DELTA=4.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_OFF=73 NOTE_OFF=85 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 NOTE_ON=73 NOTE_ON=85 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=73 NOTE_OFF=85 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 NOTE_ON=85 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_OFF=85 NOTE_ON=49 NOTE_ON=85 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_OFF=85 NOTE_ON=56 NOTE_ON=61 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=78 NOTE_ON=56 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_OFF=78 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=42 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_ON=65 TIME_DELTA=2.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_OFF=65 NOTE_ON=54 NOTE_ON=61 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=56 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_OFF=66 NOTE_ON=42 NOTE_ON=73 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_OFF=73 BAR_END BAR_START NOTE_ON=42 NOTE_ON=73 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=73 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_OFF=61 NOTE_ON=44 NOTE_ON=66 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_OFF=66 NOTE_ON=44 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 NOTE_ON=61 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=66 NOTE_ON=61 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_OFF=61 NOTE_OFF=66 NOTE_ON=54 NOTE_ON=61 NOTE_ON=61 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_OFF=66 NOTE_ON=56 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_OFF=57 NOTE_OFF=61 NOTE_ON=42 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_OFF=42 BAR_END TRACK_END TRACK_START INST=16 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=18 DENSITY=3 BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=44 TIME_DELTA=1.5 NOTE_OFF=44 TIME_DELTA=0.5 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 BAR_END BAR_START NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_OFF=61 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=56 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=56 NOTE_OFF=61 NOTE_ON=54 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=54 NOTE_ON=56 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=56 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END TRACK_END PIECE_END
TRACK_START INST=36 DENSITY=2 BAR_START NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 TIME_DELTA=2.0 NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 TIME_DELTA=2.0 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 BAR_END BAR_START NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 TIME_DELTA=2.0 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 NOTE_ON=42 TIME_DELTA=4.0 NOTE_OFF=42 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 TIME_DELTA=2.0 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 BAR_END BAR_START NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 TIME_DELTA=2.0 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=4.0 NOTE_OFF=37 NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_ON=42 TIME_DELTA=3.0 NOTE_OFF=42 TIME_DELTA=1.0 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 TIME_DELTA=2.0 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 BAR_END BAR_START NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 TIME_DELTA=2.0 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=49 NOTE_ON=44 TIME_DELTA=4.0 NOTE_OFF=44 NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 BAR_END BAR_START NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 TIME_DELTA=2.0 NOTE_ON=30 TIME_DELTA=2.0 NOTE_OFF=30 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 TIME_DELTA=2.0 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 BAR_END BAR_START NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 TIME_DELTA=2.0 NOTE_ON=37 TIME_DELTA=4.0 NOTE_OFF=37 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=44 TIME_DELTA=2.0 NOTE_OFF=44 NOTE_ON=37 TIME_DELTA=2.0 NOTE_OFF=37 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=42 BAR_END TRACK_END