Add a 4-bar ELECTRONIC HARPSICHORD track in the following composition:
PS T4Q4 GMELECTRONIC KMC BM110 CMGQFQCQGQF BL4 IL35Q71Q24Q88Q0Q0Q33Q7 TS INST33 DN0 BS BE TE TS INST0 DN0 BS BE TE TS INST0 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 PE