Sonata for Cello and Piano No. 4 in C, Op. 102 No. 1 - Beethoven: Sonata for Cello and Piano No. 4 in C, Op. 102 No. 1 - 1. Andante - (C大调奏鸣曲大提琴与钢琴第4号，作品102，第1号 - 第一乐章a，行板)