Add a 4-bar POP LEAD 1 (SQUARE) track in the following composition:
PS T4Q4 GMPOP KME BM130 CMBQEmQA7QGQAmaj7 BL4 IL11Q53Q0Q0Q24Q27Q38Q81 TS INST0 DN0 BS BE TE TS INST11 DN0 BS NO83 TD6X4 NOF83 TD1X6 NO83 TD6X4 NOF83 BE BS NO88 TD12X8 NOF88 BE BS BE BS NO84 TD12X8 NOF84 BE TE TS INST53 DN0 BS BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST81 DN4 BS NO64 NO61 NO59 TD1X0 NOF64 NOF61 NOF59 TD1X0 NO64 NO59 NO61 TD1X0 NOF64 NOF59 NOF61 TD1X0 NO61 NO64 NO59 TD1X0 NOF61 NOF64 NOF59 TD1X0 NO64 NO61 NO59 TD1X0 NOF64 NOF61 NOF59 TD1X0 NO54 NO63 NO59 TD6X4 NOF54 NOF63 NOF59 BE BS NO55 NO59 NO52 TD1X0 NOF55 NOF59 NOF52 TD1X0 NO52 NO55 NO59 TD1X0 NOF52 NOF55 NOF59 TD5X0 NO61 NO57 NO52 TD1X0 NOF61 NOF57 NOF52 TD1X0 NO57 NO52 NO61 TD1X0 NOF57 NOF52 NOF61 BE BS NO59 NO55 NO62 TD1X0 NOF59 NOF55 NOF62 TD1X0 NO62 NO59 NO55 TD1X0 NOF62 NOF59 NOF55 TD5X0 NO57 NO52 NO61 TD1X0 NOF57 NOF52 NOF61 TD1X0 NO52 NO61 NO57 TD1X0 NOF52 NOF61 NOF57 BE BS NO60 NO64 NO55 TD1X0 NOF60 NOF64 NOF55 TD1X0 NO55 NO64 NO60 TD1X0 NOF55 NOF64 NOF60 TD1X0 NO60 NO64 NO55 TD1X0 NOF60 NOF64 NOF55 TD1X0 NO55 NO64 NO60 TD1X0 NOF55 NOF64 NOF60 TD1X0 NO60 NO64 NO55 TD1X0 NOF60 NOF64 NOF55 TD1X0 NO64 NO55 NO60 TD1X0 NOF64 NOF55 NOF60 TD1X0 NO55 NO64 NO60 TD1X0 NOF55 NOF64 NOF60 TD1X0 NO60 NO64 NO55 TD1X0 NOF60 NOF64 NOF55 BE TE PE