33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli - Variation 22. Allegro molto, alla ‘Notte e giorno faticar’ di Mozart (以安东·迪亚贝利的圆舞曲为主题的C大调33首主题变奏曲，Op. 120 - 变奏曲22 很快的快板 致莫扎特“日以继夜的劳作”) (C major)