Piano Sonata No. 6 is a classical music composition by Ludwig van Beethoven, completed in 1800. It is part of his early piano sonatas and is known for its lively character and innovative structure. The sonata consists of four movements, showcasing a range of emotions and technical challenges for the pianist. The first movement, marked Allegro, features a bright and energetic theme, while the second movement, Adagio, offers a contrasting lyrical quality. The third movement, Scherzo, is playful and rhythmic, leading into the final movement, Rondo, which concludes the piece with exuberance and flair.