Clarinet Quintet in A Major, K. 581 for Basset Horn, Two Violins, Viola, and Cello - Trio I and II (A大调单簧管五重奏，K. 581（为巴塞特单簧管、两把小提琴、中提琴和大提琴而作） - 第一三声中部和第二三声中部)