Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer" - Beethoven: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer" - I. Adagio sostenuto - Presto (A大调第9号小提琴和钢琴奏鸣曲，作品47“克罗采” - 第一乐章 持续的柔板，急板)