Add a 4-bar POP CELESTA track in the following composition:
PS T4Q4 GMPOP KMC BM85 CMBm7QAQEmQAm7QG6 BL4 IL116Q48Q9Q48Q0Q2Q53Q118Q8Q0Q71Q48Q9Q33 TS INST9 DN0 BS BE TE TS INST118 DN1 BS BE BS BE BS TD2X5 NO45 NO57 TD1X333 NOF45 NOF57 TD1X5 NO45 NO57 TD2X667 NOF45 NOF57 NO45 NO57 TD2X667 NOF45 NOF57 TD1X333 NO57 NO45 NO40 NO69 NO57 TD1X0 NOF57 NOF45 TD3X0 NOF40 NOF69 NOF57 BE BS NO40 NO69 NO57 TD16X0 NOF40 NOF69 NOF57 BE TE TS INST53 DN0 BS BE TE TS INST48 DN0 BS BE TE PE
TS INST9 DN1 BS TD10X0 NO88 TD0X792 NOF88 TD0X208 NO91 TD0X792 NOF91 TD0X208 NO88 TD0X792 NOF88 TD0X208 NO86 TD0X792 NOF86 TD0X208 NO83 TD0X792 NOF83 TD0X208 NO81 TD0X792 NOF81 BE BS TD10X0 NO81 TD0X792 NOF81 TD0X208 NO83 TD0X792 NOF83 TD0X208 NO86 TD0X792 NOF86 TD0X208 NO83 TD0X792 NOF83 TD0X208 NO86 TD0X792 NOF86 TD0X208 NO88 TD0X792 NOF88 BE TE