Piano Sonata No. 10 in C major, K. 330, is a classical piano sonata composed by Wolfgang Amadeus Mozart in 1778. It is part of a set of three sonatas and is known for its lively character and clear structure, featuring three movements: Allegro, Andante cantabile, and Allegro. The first movement, Allegro, is bright and energetic, showcasing Mozart's playful style. The second movement, Andante cantabile, offers a lyrical and expressive contrast, while the final movement, Allegro, returns to a spirited and joyful theme, making the sonata a delightful example of Mozart's early piano works.