Add a 4-bar POP SYNTH STRINGS 2 track in the following composition:
PS T4Q4 GMPOP KMA BM105 CMCmaj7QFQDm6QAm7QAm BL4 IL24Q48Q0Q53Q48Q0Q52Q10Q99Q33 TS INST33 DN0 BS BE BS NO21 TD16X0 NOF21 BE BS NO21 TD4X552 NOF21 BE BS BE TE TS INST99 DN1 BS TD1X833 NO71 TD3X969 NOF71 TD0X042 NO72 TD2X031 NO69 TD0X219 NOF72 TD7X906 NOF69 BE BS NO69 TD1X865 NO52 TD1X844 NOF69 TD0X302 NO59 TD1X896 NO60 TD2X01 NO67 TD8X083 NOF52 NOF59 NOF60 NOF67 BE BS NO52 NO59 NO60 NO67 TD9X708 NO66 TD5X312 NOF67 TD0X01 NOF60 TD0X021 NOF66 TD0X042 NOF59 TD0X052 NOF52 BE BS BE TE TS INST24 DN1 BS TD15X896 NO45 TD0X104 NOF45 BE BS NO45 TD2X01 NO52 TD1X896 NO59 TD1X948 NO60 TD2X094 NO67 TD1X458 NOF59 TD0X542 NO59 TD1X573 NOF60 TD0X5 NO60 TD2X125 NO64 TD1X854 NOF45 NOF52 NOF67 NOF59 NOF60 NOF64 BE BS NO45 NO52 NO67 NO59 NO60 NO64 TD1X146 NO71 TD11X198 NOF67 TD0X354 NOF52 TD0X021 NOF45 TD0X75 NOF71 TD0X031 NOF64 TD0X021 NOF60 TD0X01 NOF59 BE BS BE TE TS INST0 DN0 BS BE TE PE
TS INST52 DN0 BS BE BS TD0X062 NO60 NO59 NO64 TD15X938 NOF60 NOF59 NOF64 BE BS NO60 NO59 NO64 TD15X781 NOF60 NOF59 NOF64 BE BS BE TE