Compose a 4-bar piece in the key of Eb:
PS T3Q4 GMPOP KMEb BM115 CMF7QE7QBbQEbQC# BL4 IL0Q57Q71Q53Q56Q0Q66Q73Q53
PS T3Q4 GMPOP KMEb BM115 CMF7QE7QBbQEbQC# BL4 IL0Q57Q71Q53Q56Q0Q66Q73Q53 TS INST0 DN0 BS BE BS BE BS BE BS BE TE TS INST57 DN0 BS BE TE TS INST71 DN0 BS BE TE TS INST53 DN0 BS BE TE TS INST56 DN0 BS BE TE TS INST0 DN4 BS NO29 NO65 NO60 NO57 NO63 TD2X417 NOF65 NOF60 NOF57 NOF63 TD0X25 NO63 NO63 NO63 TD1X333 NOF29 NO33 NO60 NO60 NO65 NO57 NO63 NO60 NO60 TD0X458 NOF63 NOF63 NOF63 TD1X208 NOF60 NOF60 NOF60 TD0X687 NOF60 NOF65 NOF57 NOF63 TD0X313 NO58 NO58 NO58 TD0X5 NOF58 NOF58 NOF58 TD0X833 NOF33 NO35 NO64 NO65 NO60 NO63 NO57 NO62 NO68 NO74 NO77 NO65 NO80 NO68 NO62 NO74 NO77 NO65 NO80 NO59 NO71 NO64 NO64 TD2X104 NOF65 NOF60 NOF63 NOF57 TD1X896 NOF35 NOF64 NOF62 NOF68 NOF74 NOF77 NOF65 NOF80 NOF68 NOF62 NOF74 NOF77 NOF65 NOF80 NOF59 NOF71 NOF64 NOF64 BE BS NO35 NO64 NO63 NO65 NO62 NO68 NO74 NO77 NO65 NO80 NO68 NO62 NO74 NO77 NO65 NO80 NO59 NO71 NO64 NO64 TD0X438 NOF63 NOF65 TD2X354 NOF62 NOF68 NOF74 TD0X208 NO53 TD0X125 NOF77 NOF65 NOF80 TD0X229 NOF68 NOF62 NOF74 NOF77 NOF65 TD0X083 NOF80 TD0X083 NOF53 TD0X208 NOF64 NOF64 NOF64 TD0X042 NOF59 TD0X229 NOF35 NO34 NO65 NO58 NO70 NO65 NO62 NO70 NO82 NO62 NO65 NO74 NO77 NO70 NO62 NO82 NO65 NO74 NO77 NO70 NO58 NO65 NO65 TD0X104 NOF71 TD1X708 NOF70 NOF62 NOF82 NOF65 NOF74 NOF77 TD0X021 NOF58 NOF70 NOF65 NOF62 TD0X229 NOF70 NOF82 NOF62 NOF65 NOF74 TD0X042 NOF77 TD0X104 NOF70 NOF58 TD0X188 NOF65 NOF65 NOF65 TD0X667 NOF34 BE BS TD8X0 NO39 NO58 NO67 NO63 NO58 NO67 NO63 NO39 NO58 NO67 NO63 NO58 NO67 NO63 TD2X667 NO75 NO63 NO63 NO51 NO63 TD0X896 NOF63 TD0X062 NOF75 NOF63 NOF63 NOF51 TD0X229 NOF39 TD0X146 NOF58 NOF67 NOF63 NOF58 NOF67 NOF63 NOF39 NOF58 NOF67 NOF63 NOF58 NOF67 NOF63 BE BS NO46 NO58 NO67 NO63 NO51 NO58 NO67 NO63 NO39 NO79 NO67 NO55 NO67 NO67 NO58 NO67 NO63 NO58 NO67 NO63 TD0X5 NOF58 NOF67 NOF63 TD0X354 NOF51 TD0X125 NOF67 TD0X083 NOF79 NOF67 TD0X062 NOF55 TD0X208 NO68 NO80 NO56 NO68 NO68 TD0X083 NOF67 TD0X583 NO67 TD0X021 NOF56 TD0X208 NOF68 NOF80 TD0X104 NOF68 TD0X021 NOF68 TD0X312 NO58 NO63 NO81 NO69 NO69 NO57 NO69 TD0X521 NOF69 TD0X167 NOF81 TD0X062 NOF69 TD0X062 NOF57 TD0X146 NOF69 TD0X292 NOF46 TD0X083 NO43 NO51 NO70 NO82 NO58 NO70 NO70 TD0X625 NOF51 TD1X542 NOF58 NOF70 TD0X25 NOF70 NOF82 TD0X104 NOF70 TD0X146 NO51 NO75 NO63 NO63 NO51 NO63 TD0X333 NOF67 TD0X396 NOF63 NOF51 TD0X104 NOF75 NOF63 TD0X167 NOF58 NOF63 TD0X104 NOF63 TD0X104 NOF43 TD0X125 NO39 NO58 NO67 NO63 TD1X042 NOF51 TD1X062 NOF58 NOF67 TD0X188 NOF39 TD0X021 NOF63 TD0X354 NO51 NO67 NO79 NO67 NO55 NO67 TD0X646 NOF51 TD0X125 NOF67 TD0X167 NOF58 NOF67 NOF58 NOF67 NOF58 NOF67 TD0X042 NOF67 NOF55 TD0X083 NOF79 TD0X042 NOF67 TD0X104 NOF63 NOF63 NOF63 TD0X104 NOF39 BE TE TS INST66 DN0 BS BE BS TD8X0 NO67 TD1X771 NOF67 TD0X896 NO70 TD1X333 NOF70 BE BS NO70 TD1X042 NOF70 TD1X625 NO65 TD1X333 NOF65 NO67 TD1X583 NOF67 TD2X417 NO63 TD4X0 NOF63 BE BS NO63 TD0X25 NOF63 BE TE TS INST73 DN0 BS BE TE TS INST53 DN0 BS BE TE PE