"Everyone is aware of the fact that visual and auditive perspective are identical; the only difference being that they are created and perceived by two physically different organs, the eye and the ear. How often the playing of a great master makes us think of a picture with a deep background and varying planes; the figures in the foreground almost leap out of the frame whereas in the background the mountains and clouds are lost in a blue haze."

Source : Genrikh Gustavovich Neĭgauz, Heinrich Neuhaus (1973). “The art of piano playing”, Longwood Pr Ltd

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