Add a 4-bar POP TROMBONE track in the following composition:
PS T3Q4 GMPOP KMG BM150 CMEm7QGQDQF#dim BL4 IL71Q63Q0Q57Q0Q58Q60Q57 TS INST57 DN0 BS BE TE TS INST60 DN1 BS BE BS BE BS TD11X938 NO71 NO67 TD0X062 NOF71 NOF67 BE BS NO71 NO67 TD3X896 NO69 NO66 TD0X042 NOF71 NOF67 TD3X958 NOF69 NOF66 TD0X125 NO67 NO64 TD3X917 NO66 NO62 TD0X062 NOF67 NOF64 NOF66 NOF62 BE TE TS INST71 DN3 BS NO67 NO79 TD2X0 NO66 NO78 TD0X083 NOF67 NOF79 TD1X854 NOF66 NOF78 TD0X062 NO65 NO77 TD2X0 NO64 NO76 TD0X125 NOF65 NOF77 TD1X875 NO63 NO75 TD0X208 NOF64 NOF76 TD1X792 NO62 NO74 TD0X229 NOF63 NOF75 TD1X771 NOF62 NOF74 BE BS NO61 NO73 NO62 NO74 TD0X229 NOF62 NOF74 TD1X75 NOF61 NOF73 TD0X021 NO62 NO74 TD2X0 NO63 NO75 TD0X271 NOF62 NOF74 TD1X604 NOF63 TD0X125 NO76 NO64 TD0X208 NOF75 TD1X792 NO77 NO65 TD0X208 NOF76 NOF64 TD1X771 NOF77 NOF65 TD0X021 NO78 NO66 TD2X0 NOF78 NOF66 BE BS NO67 NO79 NO78 NO66 TD0X042 NOF78 NOF66 TD1X312 NOF67 TD0X604 NOF79 BE BS BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST58 DN2 BS TD7X958 NO52 NO40 TD4X0 NO50 NO38 TD0X042 NOF52 NOF40 NOF50 NOF38 BE BS NO52 NO40 NO50 NO38 TD0X125 NOF52 NOF40 TD7X833 NO47 NO35 TD0X208 NOF50 NOF38 TD3X792 NO43 NO31 TD0X042 NOF47 NOF35 NOF43 NOF31 BE BS NO47 NO35 NO43 NO31 TD0X292 NOF47 NOF35 TD0X667 NOF43 NOF31 TD11X0 NO55 NO43 TD0X042 NOF55 NOF43 BE BS NO55 NO43 TD3X958 NO57 NO45 TD0X312 NOF55 NOF43 TD3X688 NO59 NO47 TD0X417 NOF57 NOF45 TD2X625 NOF59 NOF47 TD0X958 NO62 NO50 TD0X042 NOF62 NOF50 BE TE