?????? ???? ????????? ???????? ????????? ? ???? ????? ???, ??????????? ? ?.?.Emphasising the value of Yamaha’s DX7, composer and MusicRadar journalist OSC Steve argued: “it’s doable to categorise eighties music into two eras; the pre-DX7 period and also the publish-DX7 period, this kind of was the widespread use of this new instrument and its