This is an amateur performance of one of the more difficult pieces I’ve ever attempted. Prokofiev let his true feelings about Stalin spill into his three “War Sonatas,” nos. 6-8, written in 1942. The war sonatas are tumultuous, chromatic, and dissonant. The finale to no. 7, the “Precipitato,” is a relentless tocatta in septuple time. It has been described as a “an explosive burst of rock’n’roll with a chromatic edge” (Piano Sonata No. 7 (Prokofiev) – Wikipedia). It is great fun to play.