Compose a 4-bar ROCK piece:
PS T4Q4 GMROCK KMC# BM90 CMFm7QEb6QC# BL4 IL28Q0Q48Q24Q24Q53Q44Q24Q33Q67Q66
PS T4Q4 GMROCK KMC# BM90 CMFm7QEb6QC# BL4 IL28Q0Q48Q24Q24Q53Q44Q24Q33Q67Q66 TS INST28 DN4 BS TD8X0 NO56 NO68 NO56 NO68 TD0X5 NOF56 NOF68 NOF56 NOF68 TD1X4 NO67 NO60 NO67 NO60 TD0X1 NO63 NO53 NO63 NO53 TD5X467 NOF63 NOF63 TD0X2 NOF67 NOF60 NOF67 NOF60 TD0X333 NOF53 NOF53 BE BS NO53 NO53 TD0X067 NOF53 NOF53 TD7X933 NO56 NO68 NO56 NO68 TD0X5 NOF56 NOF68 NOF56 NOF68 TD1X5 NO63 NO60 NO53 NO67 NO63 NO60 NO53 NO67 TD5X633 NOF63 NOF60 NOF53 NOF67 NOF63 NOF60 NOF53 NOF67 BE BS TD8X0 NO56 NO68 NO56 NO68 TD1X0 NOF56 NOF68 NOF56 NOF68 TD0X967 NO67 NO60 NO53 NO67 NO60 NO53 TD0X033 NO63 NO63 TD4X733 NOF67 NOF60 NOF53 NOF67 NOF60 NOF53 TD0X733 NOF63 NOF63 BE BS NO37 NO49 TD0X067 NO37 NO49 TD0X033 NO37 TD0X5 NOF37 NOF49 TD0X067 NOF37 NOF49 TD0X1 NOF37 TD1X1 NO49 TD0X033 NO37 TD0X033 NO49 TD0X033 NO37 TD0X067 NO37 TD0X967 NOF37 TD0X267 NOF37 TD0X067 NOF37 TD0X233 NOF49 TD0X067 NOF49 TD1X9 NO37 TD0X533 NO49 NO37 TD0X067 NO49 NO37 TD0X233 NOF37 TD0X2 NOF49 NOF37 TD0X067 NOF49 NOF37 TD1X233 NO37 TD0X1 NO49 TD0X067 NO49 TD0X033 NO37 TD0X067 NO37 TD0X633 NOF37 TD0X333 NOF37 TD0X067 NOF37 TD0X3 NOF49 TD0X067 NOF49 BE TE TS INST0 DN0 BS BE BS BE BS BE BS BE TE TS INST48 DN0 BS BE TE TS INST24 DN0 BS BE TE TS INST24 DN0 BS BE TE TS INST53 DN0 BS BE TE TS INST44 DN0 BS BE BS BE BS BE BS NO37 TD16X0 NOF37 BE TE TS INST24 DN0 BS BE TE TS INST33 DN1 BS NO29 NO29 TD5X867 NOF29 NOF29 TD2X133 NO29 NO29 TD5X267 NOF29 NOF29 BE BS NO29 NO29 TD5X333 NOF29 NOF29 TD2X667 NO29 NO29 TD5X2 NOF29 NOF29 BE BS NO29 NO29 TD5X733 NOF29 NOF29 TD2X267 NO39 NO39 TD6X5 NOF39 NOF39 BE BS NO37 NO37 TD7X0 NOF37 NOF37 TD1X0 NO37 NO37 TD7X0 NOF37 NOF37 BE TE TS INST67 DN0 BS NO63 TD16X0 NOF63 BE BS NO63 TD0X267 NOF63 NO60 TD15X367 NOF60 BE BS BE BS BE TE TS INST66 DN0 BS TD15X833 NO60 TD0X167 NOF60 BE BS NO60 TD15X2 NOF60 BE BS BE BS BE TE PE