Music of a particular form consisting of four movements. Each of the movements differ in tempo, rhythm, and melody; but are held together by subject and style.

A multimovement composition for solo instrument, or instruments and keyboard accompaniment.

(Italian: 'sonare', to sound). A composition for soloist, or soloist with piano accompaniment. The sonata usually consists of several movements with one or more in sonata form. Sonata-form is a form in which a movement is divided into three sections, exposition, development and recapitulation. The exposition usually contains two contrasting themes, which are then developed in the development, to be re-heard in the recapitulation, ending in a coda.