Compose a 4-bar ROCK piece:
PS T4Q4 GMROCK KMBb BM65 CMCmQFQAbQBb BL4 IL19Q29Q5Q53Q34Q0Q18
PS T4Q4 GMROCK KMBb BM65 CMCmQFQAbQBb BL4 IL19Q29Q5Q53Q34Q0Q18 TS INST19 DN0 BS BE TE TS INST29 DN0 BS TD4X25 NO70 TD1X9 NOF70 TD0X067 NO72 TD2X0 NOF72 TD1X9 NO75 TD2X033 NO77 TD0X1 NOF75 TD2X9 NOF77 BE BS NO75 TD3X833 NOF75 TD0X167 NO77 TD3X833 NOF77 TD0X167 NO82 TD8X0 NOF82 BE BS NO82 TD16X0 NOF82 BE BS NO82 TD16X0 NOF82 BE TE TS INST5 DN2 BS NO48 TD3X983 NOF48 TD2X017 NO48 TD0X517 NOF48 TD1X483 NO48 TD2X0 NO58 NO67 NO63 TD1X067 NOF58 NOF67 NOF63 TD0X55 NOF48 TD2X383 NO48 NO65 NO69 NO60 TD0X533 NOF48 TD1X467 NOF65 NOF69 NOF60 BE BS NO48 NO65 NO69 NO60 TD12X183 NOF48 TD0X4 NOF65 NOF69 NOF60 BE BS NO46 TD3X833 NOF46 TD2X167 NO46 TD0X55 NOF46 TD1X45 NO46 TD2X0 NO60 NO58 NO63 NO56 TD2X0 NOF60 NOF58 NOF63 NOF56 TD0X1 NOF46 TD1X9 NO46 NO58 NO62 NO65 TD0X517 NOF46 TD1X483 NOF58 NOF62 NOF65 BE BS NO58 NO62 NO65 TD16X0 NOF58 NOF62 NOF65 BE TE TS INST53 DN0 BS BE TE TS INST34 DN4 BS NO67 NO63 NO60 NO72 NO36 TD3X083 NOF67 NOF63 NOF60 NOF72 TD0X917 NO67 NO63 NO60 NO72 TD0X183 NOF36 TD0X267 NOF67 NOF63 NOF60 TD0X15 NOF72 TD1X4 NO36 TD0X617 NOF36 TD1X383 NO36 TD2X0 NO67 NO60 NO72 NO63 TD0X6 NOF67 NOF60 NOF72 NOF63 TD1X65 NOF36 TD1X75 NO72 NO69 NO60 NO65 NO36 TD0X6 NOF36 TD1X4 NOF72 NOF69 NOF60 NOF65 BE BS NO72 NO69 NO60 NO65 NO36 TD1X117 NOF72 NOF69 NOF60 NOF65 TD0X883 NO69 NO65 NO72 NO60 TD0X533 NOF69 NOF65 NOF72 NOF60 TD2X017 NOF36 TD1X45 NO36 TD1X1 NOF36 TD0X9 NO72 NO60 NO65 NO69 NO38 TD1X567 NOF38 TD1X95 NOF72 NOF60 NOF65 NOF69 TD0X483 NO69 NO65 NO72 NO60 NO36 TD0X85 NOF69 NOF65 NOF72 TD0X133 NOF60 TD1X333 NOF36 BE BS NO34 TD4X0 NO68 NO63 NO70 NO60 TD0X467 NOF34 TD1X533 NO34 TD0X567 NOF34 TD1X433 NO34 TD0X567 NOF68 NOF63 NOF70 TD0X25 NOF60 TD1X183 NO60 NO70 NO68 NO63 TD0X667 NOF60 NOF70 NOF68 NOF63 TD1X717 NOF34 TD1X617 NO65 NO70 NO62 NO34 TD2X0 NOF65 NOF70 NOF62 NOF34 BE BS NO65 NO70 NO62 NO34 TD16X0 NOF65 NOF70 NOF62 NOF34 BE TE TS INST0 DN0 BS BE BS BE BS BE TE TS INST18 DN1 BS NO75 TD4X583 NOF75 TD5X417 NO72 NO75 NO67 TD0X667 NOF72 NOF75 NOF67 TD3X333 NO72 NO67 NO77 TD2X0 NOF72 NOF67 NOF77 BE BS NO72 NO67 NO77 TD14X15 NOF72 NOF67 TD0X15 NOF77 BE BS NO75 NO68 NO72 TD14X0 NOF75 NOF68 NOF72 NO70 NO77 NO74 TD2X0 NOF70 NOF77 NOF74 BE BS NO70 NO77 NO74 TD16X0 NOF70 NOF77 NOF74 BE TE PE