Piano Sonata No. 23 in F Minor, Op. 57: I. Allegro assai

歌曲	Piano Sonata No. 23 in F Minor, Op. 57: I. Allegro assai
歌手	Agnese Sojka
专辑	100% Focus Music – Best Study Music for Brain Power, Fast Learning, Reading & Working, Instrumental Music for Deep Brain Stimulation