"The magic of Anda's piano playing lies primarily in his extraordinary culture of touch. There are just a very few piano sounds in the world just as beautiful. [...] When he plays passages, and even longer, tied scale-like melodies across the whole keyboard, the tone color changes like alternating human voices: the alto becomes tenor, the tenor darkens to bass. And then there are those special, hardly pressed, almost just palpated middle voices running and gliding through in the Schumann work, that conjures almost a hoffmannian atmosphere around Anda's performance. Is it still the technique, a question of touch only? By no means. We have been talking about the music for a long time […]"
January 1, 1970
https://en.wikiquote.org/wiki/G%C3%A9za_Anda