Nikolai Petrov playing Erwin Schulhoff's Sonata 3 and Prokofiev's Sonata 6, live in Moscow in 1991. Timing below:

01:24 - Schulhoff Piano Sonata no. 3
19:44 - Prokofiev Piano Sonata no. 6, op. 82 (fisting at 23:43)

Николай Петров - Эрвин Шульгоф - Прокофьев