Violin Sonata No. 2 in A Major, Op. 100 - Brahms: Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile (A大调第2号为小提琴和钢琴所作奏鸣曲，作品100 - 第二乐章 亲切的快板，欢乐的，行板，更活泼，活泼的行板)