Sonatas are a type of musical composition, usually written for a solo instrument or a small ensemble. They are typically in three or four movements, and often have a slow-fast-slow structure. The term 'sonata' is derived from the Italian word for 'SOUND, ' and has been used since the 17th century to describe a variety of musical forms. The most common form of sonata is the piano sonata, which is written for a single instrument and usually consists of several movements. Other forms of sonata include the string sonata, the wind sonata, and the chamber sonata. The word 'CARS' is not related to sonatas.