Add a 4-bar ROCK SLAP BASS 1 track in the following composition:
PS T4Q4 GMROCK KME BM65 CMBm7QEQEm7QBm7QD BL4 IL5Q29Q32Q91Q61Q37Q48Q0Q0 TS INST61 DN1 BS NO79 NO79 NO79 NO79 TD14X5 NO79 TD1X5 NOF79 NOF79 NOF79 NOF79 NOF79 BE BS NO79 NO79 NO79 NO79 NO79 TD16X0 NOF79 NOF79 NOF79 NOF79 NOF79 BE TE TS INST48 DN0 BS NO47 NO40 TD0X844 NOF40 TD9X156 NO52 TD0X177 NOF47 TD5X823 NOF52 BE BS NO50 NO52 TD0X073 NOF52 TD15X792 NOF50 BE TE TS INST5 DN1 BS TD2X5 NO28 TD0X448 NOF28 TD1X052 NO52 NO59 NO55 TD1X802 NOF52 NOF59 NOF55 TD0X698 NO52 NO59 TD0X24 NOF52 NOF59 BE BS TD4X0 NO54 NO50 NO57 TD1X781 NOF54 NOF50 NOF57 TD0X719 NO50 NO57 TD0X26 NOF50 NOF57 BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST37 DN1 BS NO40 TD2X385 NOF40 TD0X115 NO40 TD1X427 NOF40 TD1X573 NO47 TD1X0 NO55 TD0X115 NOF47 TD0X938 NOF55 TD0X448 NO40 TD2X448 NOF40 TD0X052 NO40 TD1X135 NOF40 TD2X865 NO47 TD0X76 NOF47 BE BS NO50 TD2X406 NOF50 TD0X094 NO50 TD1X469 NOF50 TD1X531 NO42 TD1X0 NO45 TD0X115 NOF42 TD0X958 NOF45 TD0X427 NO50 TD3X74 NOF50 BE TE