Add a 4-bar OTHER FX 7 (ECHOES) track in the following composition:
PS T4Q4 GMOTHER KMF# BM90 CMA6QDQBm7QF#m BL4 ILDRUMSQ54Q49Q0Q73Q35Q103 TS INST49 DN0 BS TD15X875 NO78 TD0X125 NOF78 BE BS NO78 TD15X792 NOF78 TD0X083 NO76 TD0X125 NOF76 BE BS NO76 TD7X792 NOF76 TD0X083 NO74 TD7X917 NOF74 TD0X083 NO81 TD0X125 NOF81 BE BS NO81 TD16X0 NOF81 BE TE TS INST73 DN1 BS TD12X0 NO66 TD1X979 NOF66 TD0X021 NO67 TD1X979 NOF67 BE BS NO69 TD1X625 NOF69 TD0X375 NO66 TD9X917 NOF66 TD0X083 NO67 TD1X979 NOF67 TD0X021 NO69 TD2X0 NOF69 BE BS NO69 TD1X979 NOF69 TD0X021 NO66 TD9X833 NOF66 TD0X167 NO67 TD1X875 NOF67 TD0X125 NO69 TD2X0 NOF69 BE BS NO69 TD13X542 NOF69 BE TE TS INST0 DN1 BS BE BS NO57 NO66 NO62 NO50 TD15X417 NOF57 NOF66 NOF62 TD0X542 NOF50 BE BS NO62 NO57 NO66 NO47 TD14X25 NOF62 TD0X375 NOF57 TD0X292 NOF66 TD1X042 NOF47 BE BS NO54 NO61 NO57 NO42 NO66 TD8X875 NOF54 TD0X583 NOF61 TD0X542 NO54 TD0X167 NOF57 TD1X833 NO57 TD2X0 NO61 TD1X25 NOF57 TD0X083 NOF42 TD0X083 NOF61 TD0X25 NOF54 TD0X083 NOF66 BE TE TS INST35 DN0 BS TD8X0 NO33 TD6X958 NOF33 BE BS NO26 TD15X958 NOF26 BE BS NO35 TD15X708 NOF35 BE BS NO30 TD13X979 NOF30 TD0X021 NO31 TD1X792 NOF31 BE TE PE
TS INST103 DN0 BS NO61 TD13X708 NOF61 BE BS NO57 NO62 NO66 TD16X0 NOF57 NOF62 NOF66 BE BS NO57 NO62 NO66 TD15X917 NOF57 NOF62 NOF66 BE BS NO57 NO61 TD15X917 NOF57 NOF61 BE TE PE