Compose a 4-bar ROCK piece:
PS T4Q4 GMROCK KMC# BM75 CMC#7QF#QC#QF#QC# BL4 IL53Q61Q16Q24Q32Q36Q53Q24Q68Q18Q28
PS T4Q4 GMROCK KMC# BM75 CMC#7QF#QC#QF#QC# BL4 IL53Q61Q16Q24Q32Q36Q53Q24Q68Q18Q28 TS INST53 DN0 BS BE TE TS INST61 DN1 BS TD15X967 NO66 NO78 NO73 TD0X033 NOF66 NOF78 NOF73 BE BS NO66 NO78 NO73 TD1X967 NOF66 NOF78 NOF73 TD12X033 NO73 NO68 NO80 TD2X0 NOF73 NOF68 NOF80 BE BS BE BS TD4X0 NO78 NO73 NO66 TD2X0 NOF78 NOF73 NOF66 NO68 NO73 NO78 TD2X0 NOF68 NOF73 NOF78 BE TE TS INST16 DN0 BS BE BS BE BS BE BS BE TE TS INST24 DN0 BS BE TE TS INST32 DN0 BS TD6X0 NO37 TD2X0 NOF37 NO37 TD2X0 NOF37 NO37 TD4X0 NOF37 BE BS BE BS BE BS BE TE TS INST36 DN1 BS TD14X0 NO30 TD2X0 NOF30 BE BS NO30 TD2X0 NOF30 TD2X0 NO30 TD2X0 NOF30 NO32 TD2X0 NOF32 NO44 TD2X0 NOF44 TD2X0 NO37 TD4X0 NOF37 BE BS NO37 TD4X0 NOF37 NO37 TD2X0 NOF37 NO37 TD2X0 NOF37 NO37 TD2X0 NOF37 NO37 TD3X0 NOF37 TD1X0 NO30 TD2X0 NOF30 BE BS NO42 TD2X0 NOF42 TD2X0 NO30 TD2X0 NOF30 NO32 TD2X0 NOF32 NO44 TD2X0 NOF44 TD2X0 NO37 TD4X0 NOF37 BE TE TS INST53 DN0 BS BE TE TS INST24 DN0 BS BE TE TS INST68 DN0 BS TD6X0 NO73 TD8X0 NOF73 BE BS TD2X0 NO54 TD2X0 NOF54 NO56 TD2X0 NOF56 NO58 TD2X0 NOF58 NO58 TD4X0 NOF58 NO56 TD4X0 NOF56 BE BS NO56 TD2X0 NOF56 BE BS TD2X0 NO54 TD2X0 NOF54 NO56 TD2X0 NOF56 NO58 TD2X0 NOF58 NO58 TD4X0 NOF58 NO56 TD4X0 NOF56 BE TE TS INST18 DN0 BS TD2X0 NO61 NO68 NO73 TD4X0 NOF61 NOF68 NOF73 NO61 NO68 NO73 TD2X0 NOF61 NOF68 NOF73 NO68 TD2X0 NOF68 NO71 TD2X0 NOF71 NO73 TD2X0 NOF73 BE BS BE BS BE BS BE TE TS INST28 DN3 BS NO68 TD2X0 NOF68 NO71 TD4X0 NOF71 NO75 TD2X0 NOF75 NO68 TD2X0 NOF68 NO77 TD2X0 NOF77 NO68 TD1X0 NOF68 NO70 TD1X0 NO42 NO78 TD2X0 NOF70 NOF42 NOF78 BE BS NO42 NO70 NO78 TD2X0 NOF42 NO54 NO61 TD4X0 NOF54 NOF61 NO44 TD1X5 NOF44 TD0X5 NO44 TD2X0 NOF44 NO54 NO61 TD2X0 NOF54 NOF61 NO49 TD2X0 NOF70 NOF78 NOF49 NO49 NO68 NO73 TD2X0 NOF49 NOF68 NOF73 BE BS NO54 NO61 NO68 NO73 TD2X0 NOF54 NOF61 NO49 TD2X0 NOF49 NO49 TD2X0 NOF49 NO56 NO61 TD8X0 NOF68 NOF56 NOF61 NO42 TD2X0 NOF73 NOF42 BE BS NO42 NO73 TD2X0 NOF42 NO54 NO61 TD2X0 NOF73 NO73 TD2X0 NOF54 NOF61 NO44 TD1X5 NOF44 TD0X5 NO44 TD2X0 NOF44 NO54 NO61 TD2X0 NOF54 NOF61 NO49 TD2X0 NOF73 NOF49 NO49 TD2X0 NOF49 BE TE PE