Add a 4-bar R&B/SOUL STRING ENSEMBLE 1 track in the following composition:
PS T3Q4 GMR&B/SOUL KMAb BM50 CMC#QAbQEbQEbQCm7 BL4 IL24Q0Q32Q0Q53Q4Q63Q49Q0 TS INST0 DN0 BS BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE TS INST0 DN0 BS BE TE TS INST24 DN1 BS NO65 TD5X833 NOF65 TD2X167 NO65 NO61 TD3X833 NOF65 NOF61 BE BS NO65 NO61 TD3X833 NOF65 NOF61 TD0X167 NO65 NO61 TD3X833 NOF65 NOF61 TD0X167 NO65 NO61 TD3X833 NOF65 NOF61 BE BS NO63 NO60 TD1X833 NOF63 NOF60 TD2X167 NO68 TD7X833 NOF68 BE BS NO63 TD3X833 NOF63 TD0X167 NO67 TD3X833 NOF67 TD0X167 NO70 TD3X833 NOF70 BE TE PE
TS INST49 DN0 BS BE BS BE BS BE BS NO82 TD12X0 NOF82 BE TE