Add a 4-bar POP SYNTH STRINGS 2 track in the following composition:
PS T4Q4 GMPOP KMC# BM130 CMAbQC#QC#mQAb BL4 IL53Q73Q73Q29Q24Q52Q33 TS INST53 DN0 BS BE TE TS INST24 DN0 BS BE TE TS INST73 DN1 BS TD8X0 NO60 TD1X967 NOF60 TD0X033 NO63 TD1X967 NOF63 TD0X033 NO68 TD1X967 NOF68 TD0X033 NO70 TD2X0 NOF70 BE BS NO70 TD1X967 NOF70 TD0X033 NO68 TD5X967 NOF68 TD0X033 NO61 TD2X0 NO65 TD1X967 NOF61 NOF65 TD0X033 NO68 TD1X967 NOF68 TD0X033 NO70 TD2X0 NOF70 BE BS NO70 TD1X967 NOF70 TD0X033 NO68 TD5X967 NOF68 TD0X033 NO61 TD2X0 NO64 TD1X967 NOF61 NOF64 TD0X033 NO68 TD1X967 NOF68 TD0X033 NO70 TD2X0 NOF70 BE BS NO70 TD1X967 NOF70 TD0X033 NO68 TD14X0 NOF68 BE TE TS INST29 DN3 BS TD4X0 NO56 NO51 TD4X0 NO60 TD1X967 NOF56 NOF60 TD0X033 NO63 TD1X967 NOF51 NOF63 TD0X033 NO60 NO63 NO68 TD1X967 NOF60 NOF63 NOF68 TD0X033 NO70 NO61 NO65 TD2X0 NOF70 NOF61 NOF65 BE BS NO70 NO61 NO65 TD1X967 NOF70 TD0X033 NO68 TD5X967 NOF68 TD0X033 NO61 TD1X967 NOF61 TD0X033 NO65 TD1X967 NOF65 NOF61 NOF65 TD0X033 NO61 NO65 NO68 TD1X967 NOF61 NOF65 NOF68 TD0X033 NO70 NO61 NO64 TD2X0 NOF70 NOF61 NOF64 BE BS NO70 NO61 NO64 TD1X967 NOF70 TD0X033 NO68 TD5X967 NOF68 TD0X033 NO61 TD1X967 NOF61 TD0X033 NO64 TD1X967 NOF64 NOF61 NOF64 TD0X033 NO61 NO64 NO68 TD1X967 NOF61 NOF64 NOF68 TD0X033 NO70 NO60 NO63 TD2X0 NOF70 NOF60 NOF63 BE BS NO70 NO60 NO63 TD1X967 NOF70 TD0X033 NO68 TD14X0 NOF60 NOF63 NOF68 BE TE PE
TS INST52 DN0 BS BE BS NO65 TD16X0 NOF65 BE BS NO64 TD16X0 NOF64 BE BS BE TE