Add a 4-bar ROCK STRING ENSEMBLE 2 track in the following composition:
PS T4Q4 GMROCK KMA BM130 CMEQAQBQEQA BL4 IL82Q50Q26Q0Q1Q6Q33 TS INST1 DN0 BS NO68 NO71 TD1X833 NOF68 NOF71 TD0X167 NO64 TD1X833 NOF64 TD0X167 NO68 NO71 TD1X833 NOF68 NOF71 TD0X167 NO66 NO69 TD1X833 NOF66 NOF69 TD0X167 NO64 NO68 TD7X667 NOF64 NOF68 BE TE TS INST33 DN0 BS TD2X0 NO40 TD13X833 NOF40 BE BS NO33 TD13X833 NOF33 TD0X167 NO35 TD0X833 NOF35 TD0X167 NO33 TD0X833 NOF33 BE BS NO32 TD7X667 NOF32 TD0X333 NO33 TD7X667 NOF33 BE BS NO33 TD15X833 NOF33 BE TE TS INST6 DN0 BS NO68 NO71 TD1X833 NOF68 NOF71 TD0X167 NO64 TD1X833 NOF64 TD0X167 NO68 NO71 TD1X833 NOF68 NOF71 TD0X167 NO66 NO69 TD1X833 NOF66 NOF69 TD0X167 NO64 NO68 TD7X667 NOF64 NOF68 BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST50 DN2 BS BE BS NO57 NO61 NO64 NO33 NO45 TD7X667 NOF57 NOF61 NOF64 TD0X333 NO59 NO63 NO66 TD7X667 NOF59 NOF63 NOF66 TD0X167 NOF33 NOF45 BE BS NO32 NO44 NO59 NO64 NO68 TD7X667 NOF32 NOF44 NOF59 NOF64 NOF68 TD0X333 NO33 NO45 NO61 NO64 NO69 TD7X667 NOF33 NOF45 NOF61 NOF64 NOF69 BE BS NO57 NO61 NO64 NO33 NO45 TD7X667 NOF57 NOF61 NOF64 TD0X333 NO59 NO63 NO66 TD7X667 NOF59 NOF63 NOF66 TD0X167 NOF33 NOF45 BE TE