Add a 8-bar POP SYNTH BASS 1 track in the following composition:
PS T4Q4 GMPOP KMAb BM95 CMC7QC#QEbQAb BL8 IL119Q46Q49Q40Q57QDRUMSQ47Q39Q62 TS INST57 DN0 BS BE BS TD2X8 NO48 TD3X133 NOF48 TD0X133 NO49 TD3X133 NOF49 TD0X1 NO49 TD6X7 NOF49 BE BS NO49 TD12X667 NOF49 BE BS TD0X1 NO51 TD15X9 NOF51 BE BS NO51 TD6X667 NOF51 TD3X467 NO44 TD3X233 NOF44 TD0X033 NO44 TD2X6 NOF44 BE BS NO44 TD3X9 NOF44 NO44 TD1X6 NOF44 TD4X933 NO44 TD1X6 NOF44 BE BS TD0X933 NO43 TD1X6 NOF43 TD1X667 NO44 TD3X133 NOF44 TD0X1 NO44 TD8X567 NOF44 BE BS NO44 TD16X0 NOF44 BE TE TS INST47 DN0 BS BE BS BE BS BE BS TD6X767 NO46 TD0X433 NOF46 BE BS TD3X8 NO46 TD0X433 NOF46 BE TE TS INST40 DN0 BS BE BS BE BS BE BS BE BS TD10X367 NO80 TD5X633 NOF80 BE BS NO80 TD0X867 NOF80 BE TE TS INST119 DN0 BS BE BS BE BS BE BS BE BS BE BS TD9X1 NO60 TD6X9 NOF60 BE BS NO60 TD1X233 NOF60 BE TE PE
TS INST39 DN0 BS TD5X8 NO36 TD3X133 NOF36 TD3X4 NO36 TD3X133 NOF36 BE BS TD2X833 NO36 TD3X133 NOF36 TD3X367 NO25 TD3X133 NOF25 TD3X4 NO25 TD0X133 NOF25 BE BS NO25 TD3X0 NOF25 TD3X367 NO25 TD3X133 NOF25 TD3X367 NO25 TD3X133 NOF25 BE BS TD3X4 NO27 TD3X133 NOF27 TD3X367 NO27 TD3X133 NOF27 BE BS TD0X4 NO27 TD3X133 NOF27 TD3X4 NO27 TD3X133 NOF27 BE BS BE BS TD7X467 NO32 TD3X133 NOF32 TD3X4 NO32 TD2X0 NOF32 BE BS NO32 TD1X133 NOF32 TD3X367 NO32 TD3X133 NOF32 TD3X367 NO32 TD3X133 NOF32 BE TE