Quintet in A major for Piano, Violin, Viola, Cello, and Bass, op. posth. 114, D. 667, “Die Forelle” (“The Trout”) - Quintet in A major for Piano, Violin, Viola, Cello, and Bass, op. posth. 114, D. 667, “Die Forelle” (“The Trout”): I. Allegro vivace