Beethoven: Piano Sonatas Nos. 23 & 12

Piano Sonata No. 12 in A-Flat Major, Op. 26 "Funeral March" - Ib. Andante con variazioni, Var. 1 (降A大调第12号钢琴奏鸣曲,作品26“葬礼进行曲” - 变奏1)