A "Sonata" is a musical composition typically written for one or two instruments, often featuring three main sections: exposition, development, and recapitulation. This structure allows composers to explore themes and variations, creating a rich and dynamic listening experience. Famous composers like Ludwig van Beethoven and Wolfgang Amadeus Mozart have contributed significantly to the sonata form, making it a staple in classical music. In a sonata, the first section introduces the main themes, while the development section takes these themes and transforms them, adding complexity. Finally, the recapitulation brings back the original themes, providing a sense of resolution. This format has influenced many genres, showcasing the creativity of composers throughout history.