Add a 4-bar ROCK SYNTH BASS 2 track in the following composition:
PS T4Q4 GMROCK KMA BM120 CMAQF#m BL4 IL33Q0Q53Q25Q29Q66Q40Q40Q48Q43Q41Q52 TS INST43 DN0 BS TD0X117 NO31 TD15X792 NOF31 TD0X042 NO35 TD0X05 NOF35 BE BS NO35 TD16X0 NOF35 BE BS NO35 TD0X083 NO36 TD0X167 NOF35 TD15X75 NOF36 BE BS NO36 TD0X017 NOF36 TD0X033 NO38 TD15X875 NO31 TD0X075 NOF38 NOF31 BE TE TS INST52 DN0 BS BE TE TS INST40 DN0 BS BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST40 DN0 BS NO74 NO71 TD16X0 NOF74 NOF71 BE BS NO75 NO71 TD16X0 NOF75 NOF71 BE BS NO72 NO76 TD15X775 NOF72 NOF76 BE BS NO69 NO74 TD16X0 NOF69 NOF74 BE TE