The two Sonatas op. 5 were written in 1796 expressly for the young Beethoven's performance with the cello virtuoso Jean Louis Duport at the Berlin court. That he wasn't eclipsed by the latter was ensured by the extremelyscintillating piano part, with which Beethoven the pianist was able to present himself in the best light. Opening with a slow introduction, the Allegro of the F-major sonata dazzles with its abundance of melodies. The followingRondo weds musical wit with playfulness, guaranteeing