Nikolay Medtner (1880-1951) Piano Sonata in f minor, Op. 5 ¥°. Allegro ¥±. Intermezzo: Allegro ¥². Largo divoto ¥³. Finale: Allegro risoluto Piano Sonata in a minor, Op. 30 ¡°During the war¡± Piano Sonata minacciosa, Op. 53 No. 2