Add a 4-bar ROCK SYNTH STRINGS 2 track in the following composition:
PS T4Q4 GMROCK KMG BM80 CMGQCQDQG BL4 IL52Q29Q5Q61Q37Q0Q32Q91 TS INST61 DN3 BS NO67 NO60 NO64 NO55 NO79 NO76 NO84 NO79 NO79 NO76 NO64 TD0X427 NOF67 NOF60 NOF64 TD0X823 NO60 NO67 NO64 TD0X49 NOF64 NOF60 NOF67 TD2X26 NO76 TD1X75 NO74 TD0X01 NOF76 TD0X458 NOF74 TD0X031 NO72 TD0X344 NOF72 TD0X156 NO67 TD0X281 NOF67 TD0X969 NO67 NO60 NO72 TD0X448 NOF67 NOF60 NOF72 TD0X802 NO67 NO60 NO72 TD0X448 NOF67 NOF60 NOF72 TD2X302 NO60 NO67 NO72 NO76 TD0X448 NOF76 NOF60 NOF67 NOF72 TD1X052 NO67 NO72 NO60 TD0X427 NOF67 NOF72 NOF60 TD0X823 NO60 NO64 NO64 TD0X469 NOF64 NOF60 TD0X781 NOF55 NOF79 NOF84 NOF79 NOF79 NOF76 NOF76 NOF64 NOF64 BE BS NO55 NO79 NO84 NO79 NO79 TD16X0 NOF55 NOF79 NOF84 NOF79 NOF79 BE BS NO55 NO79 NO84 NO79 NO79 TD15X969 NOF84 TD0X031 NOF55 NOF79 NOF79 NOF79 BE BS NO55 NO79 NO79 NO79 TD7X031 NOF55 TD8X969 NOF79 NOF79 NOF79 BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE TS INST29 DN0 BS NO60 NO67 TD14X281 NOF60 TD0X292 NOF67 BE BS NO65 NO72 TD15X052 NOF65 NOF72 BE TE TS INST91 DN0 BS NO60 TD15X969 NOF60 BE BS NO60 NO57 NO53 TD0X052 NOF60 TD15X948 NOF57 NOF53 BE TE PE
TS INST52 DN0 BS NO67 NO60 NO64 TD0X115 NOF60 TD5X885 NO72 TD1X135 NOF64 TD8X458 NOF72 TD0X333 NOF67 BE BS NO65 TD4X0 NO69 TD6X0 NO72 TD0X406 NOF65 TD5X042 NOF69 TD0X083 NOF72 BE TE