Add a 4-bar ELECTRONIC STRING ENSEMBLE 2 track in the following composition:
PS T4Q4 GMELECTRONIC KMC BM75 CMFQCQFQCQG BL4 IL24Q88Q33Q71Q35Q0Q7Q0Q50 TS INST0 DN0 BS BE TE TS INST33 DN0 BS BE TE TS INST0 DN0 BS BE TE TS INST24 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST50 DN0 BS BE BS BE BS NO66 TD6X967 NOF66 TD1X033 NO73 TD6X967 NOF73 BE BS NO71 TD7X967 NOF71 TD0X033 NO67 TD6X967 NOF67 BE TE PE