Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les Adieux" - Beethoven: Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les Adieux": I. Das Lebewohl. Adagio - Allegro (降E大调第26号钢琴奏鸣曲，作品81a“告别” - 第一乐章 告別 - 柔板，快板)