Violin Sonata No. 1 in G Major, Op. 78 - Brahms: Violin Sonata No. 1 in G Major, Op. 78: 1. Vivace ma non troppo (G大调第1号为小提琴和钢琴所作奏鸣曲，作品78 - 第一乐章 不太过的欢乐)