Piano Trio No. 4 in B-Flat Major, Op. 11 "Gassenhauer" - Piano Trio No. 4 in B-Flat Major, Op. 11 "Gassenhauer": I. Allegro con brio (降B大调单簧管，大提琴和钢琴三重奏 - 第一乐章 有活力的快板)