Add a 4-bar ROCK ELECTRIC GRAND PIANO track in the following composition:
PS T4Q4 GMROCK KME BM105 CMAbmQF#m7 BL4 IL19Q3Q0Q24Q17Q38 TS INST0 DN0 BS BE BS BE BS BE BS BE TE TS INST19 DN0 BS BE TE TS INST24 DN3 BS TD4X0 NO56 NO51 NO47 TD5X333 NOF56 NOF51 NOF47 TD0X667 NO56 NO51 NO47 TD3X333 NOF56 NOF51 NOF47 TD0X667 NO56 NO51 NO47 TD2X0 NOF56 NOF51 NOF47 BE BS NO56 NO51 NO47 TD2X667 NOF56 NOF51 NOF47 TD1X333 NO56 NO51 NO47 TD5X333 NOF56 NOF51 NOF47 TD0X667 NO56 NO51 NO47 TD3X333 NOF56 NOF51 NOF47 TD0X667 NO56 NO51 NO47 TD1X333 NOF56 TD0X667 NOF51 NOF47 BE BS TD4X0 NO64 NO61 NO54 NO57 TD5X333 NOF64 NOF61 NOF54 NOF57 TD0X667 NO64 NO61 NO54 NO57 TD3X333 NOF64 NOF61 NOF54 NOF57 TD0X667 NO64 NO61 NO54 NO57 TD2X0 NOF64 NOF61 NOF54 NOF57 BE BS NO64 NO61 NO54 NO57 TD2X667 NOF64 NOF61 NOF54 NOF57 TD1X333 NO64 NO61 NO54 NO57 TD5X333 NOF64 NOF61 NOF54 NOF57 TD0X667 NO64 NO61 NO54 NO57 TD3X333 NOF64 NOF61 NOF54 NOF57 TD0X667 NO64 NO61 NO54 NO57 TD1X333 NOF64 NOF61 NOF54 NOF57 BE TE TS INST17 DN0 BS BE BS BE BS NO76 NO69 NO73 NO66 TD16X0 NOF76 NOF69 NOF73 NOF66 BE BS NO76 NO69 NO73 NO66 TD10X583 NOF76 NOF69 NOF73 NOF66 BE TE PE
TS INST3 DN2 BS NO59 TD1X333 NOF59 TD0X667 NO61 TD1X333 NOF61 TD0X667 NO64 TD1X333 NOF64 TD0X667 NO66 TD3X333 NOF66 TD0X667 NO68 TD3X333 NOF68 BE BS NO59 TD1X333 NOF59 TD0X667 NO61 TD1X333 NOF61 TD0X667 NO64 TD1X333 NOF64 TD0X667 NO66 TD3X333 NOF66 TD0X667 NO61 TD1X333 NOF61 TD0X667 NO59 TD1X333 NOF59 TD0X667 NO66 TD2X0 NOF66 BE BS NO66 TD1X333 NOF66 TD0X667 NO68 TD4X667 NOF68 BE BS TD8X0 NO61 TD1X333 NOF61 TD0X667 NO61 TD1X333 NOF61 TD0X667 NO64 TD1X333 NOF64 TD0X667 NO66 TD2X0 NOF66 BE TE