Sonata For Violin And Piano No. 6 in A Major, Op. 30 No. 1 - Sonata for Violin and Piano No. 6 in A Major, Op. 30 No. 1: II. Adagio (A大调第6号小提琴和钢琴奏鸣曲， 作品30第1首 - 第二乐章 慢板)