Schubert occupied himself intensively with the sonata form in 1818/19. The results, to put it like this, led to the creation of this piano sonata in A major, probably in summer 1819, thus at about the same time as the Trout Quintet. Not surprisingly, it exudes a serene spring feeling. One of Schubert's major sonatas, the work imposes considerable technical demands on the performer, but can still be mastered by non-professional pianists.