Add a 4-bar ROCK ELECTRIC GRAND PIANO track in the following composition:
PS T4Q4 GMROCK KME BM105 CMEmaj7 BL4 IL19Q38Q53Q0Q53Q3Q24Q17 TS INST53 DN0 BS BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE TS INST24 DN3 BS NO71 NO68 NO63 TD2X667 NOF71 NOF68 NOF63 TD1X333 NO71 NO68 NO63 TD5X333 NOF71 NOF68 NOF63 TD0X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 TD2X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 BE BS NO71 NO68 NO63 TD2X667 NOF71 NOF68 NOF63 TD1X333 NO71 NO68 NO63 TD5X333 NOF71 NOF68 NOF63 TD0X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 TD2X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 BE BS NO71 NO68 NO63 TD2X667 NOF71 NOF68 NOF63 TD1X333 NO71 NO68 NO63 TD5X333 NOF71 NOF68 NOF63 TD0X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 TD2X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 BE BS NO71 NO68 NO63 TD2X667 NOF71 NOF68 NOF63 TD1X333 NO71 NO68 NO63 TD5X333 NOF71 NOF68 NOF63 TD0X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 TD2X667 NO71 NO68 NO63 TD1X333 NOF71 NOF68 NOF63 BE TE TS INST19 DN0 BS BE TE PE
TS INST3 DN2 BS TD10X0 NO63 TD3X333 NOF63 BE BS NO71 TD1X333 NOF71 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD2X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 BE BS NO71 TD1X333 NOF71 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD2X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 BE BS NO71 TD1X333 NOF71 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD2X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 TD0X667 NO75 TD1X333 NOF75 BE TE