Add a 4-bar ROCK SLAP BASS 1 track in the following composition:
PS T4Q4 GMROCK KMF BM120 CMBbmQFm BL4 IL113Q53Q37 TS INST113 DN0 BS BE BS BE BS BE BS BE TE TS INST53 DN0 BS BE TE
TS INST37 DN4 BS TD4X0 NO41 NO48 NO53 TD3X0 NO41 NO48 NO53 TD1X0 NOF41 NOF48 NOF53 NOF41 NOF48 NOF53 NO41 NO48 NO53 TD2X0 NOF41 NOF48 NOF53 TD1X0 NO53 NO48 NO41 TD0X333 NOF53 NOF48 NOF41 TD0X667 NO53 NO48 NO41 TD0X667 NOF53 NOF48 NOF41 TD0X333 NO53 NO48 NO41 TD0X333 NOF53 NOF48 NOF41 TD0X667 NO46 NO53 NO58 TD2X0 NOF46 NOF53 NOF58 BE BS NO46 NO53 NO58 TD1X0 NOF46 NOF53 NOF58 NO53 NO58 NO46 TD1X0 NO48 NO41 NO53 TD0X667 NOF48 NOF41 TD0X0 NOF53 TD0X333 NOF58 NOF46 NOF53 TD1X0 NO44 NO51 NO56 TD3X0 NO44 NO51 NO56 TD1X0 NOF44 NOF51 NOF56 NOF44 NOF51 NOF56 NO44 NO51 NO56 TD2X0 NOF44 NOF51 NOF56 NO56 NO51 NO44 TD0X333 NOF56 NOF51 NOF44 TD0X667 NO56 NO51 NO44 TD0X333 NOF56 NOF51 NOF44 TD0X667 NO56 NO51 NO44 TD0X667 NOF56 NOF51 NOF44 TD0X333 NO56 NO51 NO44 TD0X333 NOF56 NOF51 NOF44 TD0X667 NO49 NO56 NO61 TD2X0 NOF49 NOF56 NOF61 BE BS NO49 NO56 NO61 TD1X0 NOF49 NOF56 NOF61 NO56 NO61 NO49 TD1X0 NO51 NO44 NO56 TD0X667 NOF51 NOF44 TD0X0 NOF56 TD0X333 NOF61 NOF49 NOF56 TD1X0 NO41 NO48 NO53 TD3X0 NO41 NO48 NO53 TD1X0 NOF41 NOF48 NOF53 NOF41 NOF48 NOF53 NO41 NO48 NO53 TD2X0 NOF41 NOF48 NOF53 TD1X0 NO53 NO48 NO41 TD0X333 NOF53 NOF48 NOF41 TD0X667 NO53 NO48 NO41 TD0X667 NOF53 NOF48 NOF41 TD0X333 NO53 NO48 NO41 TD0X333 NOF53 NOF48 NOF41 TD0X667 NO46 NO53 NO58 TD2X0 NOF46 NOF53 NOF58 BE BS NO46 NO53 NO58 TD1X0 NOF46 NOF53 NOF58 NO53 NO58 NO46 TD1X0 NO48 NO41 NO53 TD0X667 NOF48 NOF41 TD0X0 NOF53 TD0X333 NOF58 NOF46 NOF53 TD1X0 NO44 NO51 NO56 TD3X0 NO44 NO51 NO56 TD1X0 NOF44 NOF51 NOF56 NOF44 NOF51 NOF56 NO44 NO51 NO56 TD2X0 NOF44 NOF51 NOF56 TD1X0 NO56 NO51 NO44 TD0X333 NOF56 NOF51 NOF44 TD0X667 NO56 NO51 NO44 TD0X667 NOF56 NOF51 NOF44 TD0X333 NO56 NO51 NO44 TD0X333 NOF56 NOF51 NOF44 TD0X667 NO49 NO56 NO61 TD2X0 NOF49 NOF56 NOF61 BE TE PE