Sonata for Cello & Piano No. 4 in C Major, Op. 102 / 1 - Twelve Variations On "Ein Madchen Oder Weibchen" for Cello & Piano in F Major, Op. 66 (C大调第4号大提琴和钢琴奏鸣曲，作品102之1 - 为大提琴和钢琴“如果有一个妻子”主题而作的F大调12段变奏曲，作品66)