Add a 8-bar POP MUSIC BOX track in the following composition:
PS T4Q4 GMPOP KMF# BM90 CMAQF#QC#QEbm7b5QC# BL8 IL28Q0Q79Q0Q11Q25Q54Q79Q48Q53Q0Q50 TS INST48 DN0 BS BE TE TS INST79 DN0 BS TD0X115 NO69 TD4X698 NOF69 BE BS BE BS TD6X094 NO77 TD1X958 NO80 TD0X042 NOF77 TD2X792 NOF80 TD3X031 NO77 TD2X031 NO73 TD0X052 NOF77 NOF73 BE BS NO77 NO73 TD0X104 NOF77 TD2X365 NOF73 BE BS BE BS BE BS BE BS BE TE TS INST53 DN0 BS BE TE TS INST0 DN0 BS BE TE PE
TS INST11 DN0 BS BE BS BE BS BE BS BE BS TD9X823 NO68 TD1X667 NOF68 TD0X521 NO69 TD1X26 NOF69 TD0X615 NO68 TD1X219 NOF68 TD0X719 NO69 TD0X177 NOF69 BE BS NO69 TD1X583 NOF69 TD0X417 NO66 TD5X833 NOF66 TD2X208 NO69 TD1X542 NOF69 TD0X396 NO68 TD1X115 NOF68 TD0X844 NO69 TD1X688 NOF69 TD0X302 NO66 TD0X073 NOF66 BE BS NO66 TD6X5 NOF66 BE BS TD1X792 NO68 TD0X51 NOF68 TD0X385 NO68 TD0X292 NOF68 TD0X646 NO68 TD2X177 NOF68 TD0X198 NO66 TD1X802 NOF66 TD0X094 NO64 TD2X073 NOF64 TD0X031 NO66 TD3X896 NOF66 TD0X135 NO61 TD1X969 NOF61 BE TE