Compose a 4-bar ROCK piece:
PS T4Q4 GMROCK KMEb BM155 CMFmQEbQC#QEbQFm BL4 IL18Q30
PS T4Q4 GMROCK KMEb BM155 CMFmQEbQC#QEbQFm BL4 IL18Q30 TS INST18 DN3 BS TD2X0 NO80 TD2X0 NOF80 NO79 TD1X0 NOF79 NO77 TD3X0 NOF77 NO79 TD2X0 NOF79 NO79 TD1X0 NOF79 NO80 TD1X0 NOF80 NO79 TD1X0 NOF79 NO77 TD1X0 NOF77 BE BS NO80 TD2X0 NOF80 NO77 TD1X0 NOF77 NO75 TD1X0 NOF75 NO77 TD2X0 NOF77 NO75 TD1X0 NOF75 NO77 TD3X0 NOF77 NO75 TD1X0 NOF75 NO77 TD1X0 NOF77 NO75 TD1X0 NOF75 NO77 TD1X0 NOF77 NO75 TD1X0 NOF75 NO77 TD1X0 NOF77 BE BS TD2X0 NO80 TD2X0 NOF80 NO79 TD1X0 NOF79 NO77 TD1X0 NOF77 NO79 TD1X0 NOF79 NO77 TD1X0 NOF77 NO79 TD1X0 NOF79 NO79 TD2X0 NOF79 NO80 TD1X0 NOF80 NO79 TD1X0 NOF79 NO77 TD1X0 NOF77 BE BS NO80 TD1X0 NOF80 NO80 TD1X0 NOF80 NO77 TD1X0 NOF77 NO80 TD1X0 NOF80 NO79 TD1X0 NOF79 NO80 TD2X0 NOF80 NO79 TD1X0 NOF79 NO80 TD2X0 NOF80 NO80 TD1X0 NOF80 NO77 TD1X0 NOF77 NO77 TD1X0 NOF77 NO77 TD1X0 NOF77 NO75 TD1X0 NOF75 NO77 TD1X0 NOF77 BE TE TS INST30 DN4 BS NO65 NO60 NO56 NO41 TD6X0 NOF65 NOF60 NOF56 NOF41 NO65 NO60 NO56 NO41 TD2X0 NOF65 NOF60 NOF56 NOF41 NO63 NO58 NO55 NO39 TD6X0 NOF63 NOF58 NOF55 NOF39 NO63 NO58 NO55 NO39 TD2X0 NOF63 NOF58 NOF55 NOF39 BE BS NO61 NO56 NO53 NO37 TD6X0 NOF61 NOF56 NOF53 NOF37 NO61 NO56 NO53 NO37 TD2X0 NOF61 NOF56 NOF53 NOF37 NO63 NO58 NO55 NO39 TD6X0 NOF63 NOF58 NOF55 NOF39 NO63 NO58 NO55 NO39 TD2X0 NOF63 NOF58 NOF55 NOF39 BE BS NO65 NO60 NO56 NO41 TD6X0 NOF65 NOF60 NOF56 NOF41 NO65 NO60 NO56 NO41 TD2X0 NOF65 NOF60 NOF56 NOF41 NO63 NO58 NO55 NO39 TD6X0 NOF63 NOF58 NOF55 NOF39 NO63 NO58 NO55 NO39 TD2X0 NOF63 NOF58 NOF55 NOF39 BE BS NO61 NO56 NO53 NO37 TD6X0 NOF61 NOF56 NOF53 NOF37 NO61 NO56 NO53 NO37 TD2X0 NOF61 NOF56 NOF53 NOF37 NO63 NO58 NO55 NO39 TD6X0 NOF63 NOF58 NOF55 NOF39 NO63 NO58 NO55 NO39 TD2X0 NOF63 NOF58 NOF55 NOF39 BE TE PE