Add a 4-bar POP ELECTRIC PIANO 1 track in the following composition:
PS T6Q8 GMPOP KMEb BM85 CMBQA6QB6QBQB7 BL4 IL48Q24Q5Q46Q60Q73Q68 TS INST24 DN1 BS NO59 NO66 TD1X975 NOF59 NOF66 TD0X025 NO59 NO66 TD1X975 NOF59 NOF66 TD0X025 NO59 NO66 TD1X975 NOF59 NOF66 TD0X025 NO66 NO59 TD1X975 NOF66 NOF59 BE BS BE BS BE BS TD10X0 NO57 TD1X975 NOF57 BE TE TS INST48 DN0 BS BE BS BE BS TD4X0 NO35 NO47 TD1X975 NOF35 NOF47 BE BS TD4X0 NO23 NO35 TD1X975 NOF23 NOF35 TD2X025 NO47 TD4X0 NOF47 BE TE TS INST60 DN1 BS BE BS TD0X5 NO69 TD2X125 NOF69 TD0X017 NO68 TD1X875 NOF68 TD0X025 NO66 TD2X125 NOF66 TD0X017 NO64 TD2X125 NOF64 TD0X025 NO63 TD2X208 NOF63 TD0X017 NO64 TD0X942 NOF64 BE BS NO64 TD1X6 NOF64 TD0X025 NO64 TD6X833 NOF64 TD0X017 NO59 TD3X525 NOF59 BE BS NO59 TD7X808 NOF59 BE TE TS INST46 DN0 BS BE BS BE BS BE BS TD1X0 NO59 TD1X975 NOF59 TD0X025 NO63 TD1X975 NOF63 TD0X025 NO63 TD1X975 NOF63 TD0X025 NO59 TD4X975 NOF59 BE TE PE
TS INST5 DN2 BS BE BS TD0X5 NO81 TD2X125 NOF81 TD0X017 NO80 TD1X875 NOF80 TD0X025 NO78 TD2X142 NO76 TD2X15 NO75 TD2X225 NO76 TD0X942 NOF78 NOF76 NOF75 NOF76 BE BS NO78 NO76 NO75 NO76 TD1X6 NOF76 TD0X025 NO80 TD6X833 NOF80 TD0X017 NO78 TD1X9 NOF78 TD0X35 NO78 TD1X275 NOF75 NOF76 NOF78 NOF78 BE BS NO75 NO76 NO78 NO78 TD7X833 NOF78 TD2X167 NO69 TD1X975 NOF69 TD0X025 NOF75 NOF76 NOF78 BE TE