Sonata-allegro form is a structural framework commonly used in classical music compositions. It consists of three main sections - exposition, development, and recapitulation - which allow for thematic contrast, exploration, and resolution.
Related terms
Exposition: The first section in sonata-allegro form where contrasting musical themes are presented.
Development: The middle section in sonata-allegro form where previously introduced themes are developed through variation, modulation, or fragmentation.
Recapitulation: The final section in sonata-allegro form where the initial themes from the exposition return but often with some modifications or adjustments.