??? ???????? ?????????????? ?? ????? ??????, ???? ????? ?? ????????? ??????? ???? ?????? ?? ?????? ????? ? ??? ?????? ????????? ?? ?????????????????? ???????? ????????????.Emphasising the value of Yamaha’s DX7, composer and MusicRadar journalist OSC Steve argued: “it’s attainable to categorise nineteen eighties music into two eras; the pre-DX