Add a 4-bar ELECTRONIC HARPSICHORD track in the following composition:
PS T4Q4 GMELECTRONIC KMC BM80 CMGQFQC6QGQF BL4 IL52Q33Q52Q88Q7Q50Q0Q0Q35Q24Q71 TS INST0 DN0 BS BE TE TS INST88 DN3 BS NO55 TD2X0 NO64 TD1X0 NOF64 NO59 TD1X0 NOF59 NO52 TD2X0 NOF55 NO43 TD4X0 NOF52 NO55 TD4X0 NOF55 NO67 TD1X0 NOF43 TD1X0 NOF67 BE BS NO67 NO50 TD2X0 NOF67 NO57 TD2X0 NOF57 NO62 TD2X0 NOF62 NO64 TD4X0 NOF64 NO66 TD2X0 NOF66 NO64 TD2X0 NOF64 NO62 TD2X0 NOF50 NOF62 BE BS NO54 TD2X0 NO57 TD2X0 NOF57 NO61 TD2X0 NOF61 NO66 TD4X0 NOF66 NO61 TD4X0 NOF61 NO57 TD2X0 NOF54 NOF57 BE BS NO57 NO43 TD2X0 NOF57 NO55 TD2X0 NOF55 NO59 TD2X0 NOF59 NO55 TD4X0 NOF55 NO59 TD4X0 NOF59 NO55 TD2X0 NOF43 NOF55 BE TE TS INST52 DN0 BS BE TE TS INST24 DN0 BS BE BS BE BS BE BS BE TE PE
TS INST7 DN1 BS NO69 TD1X333 NOF69 TD6X667 NO69 TD1X0 NOF69 TD1X0 NO69 TD1X0 NOF69 BE BS NO69 TD1X333 NOF69 TD6X667 NO69 TD1X0 NOF69 TD1X0 NO69 TD1X0 NOF69 BE BS NO69 TD1X333 NOF69 TD6X667 NO69 TD1X0 NOF69 TD1X0 NO69 TD1X0 NOF69 BE BS NO69 TD1X333 NOF69 TD6X667 NO69 TD1X0 NOF69 TD1X0 NO69 TD1X0 NOF69 BE TE