Piano Sonata No. 13 (Mozart)

The Piano Sonata No. 13 in B-flat major, K. 333/315c, is a piano sonata composed by Wolfgang Amadeus Mozart in 1783. While the precise date and location of its composition are debated, it is generally believed to have been written in either Linz or Vienna. The sonata is one of Mozart's most popular and frequently performed piano sonatas.

The work consists of three movements:

• I. Allegro: The first movement is a bright and energetic Allegro in sonata form. It features a memorable and lyrical main theme, as well as contrasting sections that showcase Mozart's melodic inventiveness.

• II. Andante cantabile: The second movement is a serene and expressive Andante cantabile in E-flat major. This movement is characterized by its elegant melody and graceful ornamentation. The "cantabile" marking emphasizes the singing quality of the melody.

• III. Allegretto grazioso: The third movement is a playful and charming Allegretto grazioso in B-flat major. It is written in sonata-rondo form, combining elements of both sonata and rondo structures. This movement features a lively main theme and several contrasting episodes. The coda contains a cadenza-like passage.

The Piano Sonata No. 13 is notable for its balance of melodic beauty, harmonic richness, and technical brilliance. It demonstrates Mozart's mastery of the piano sonata form and his ability to create music that is both intellectually stimulating and emotionally engaging. The work remains a staple of the piano repertoire and is widely admired for its elegance, charm, and musical depth.