How does a French overture differ from an Italian overture?

French and Italian overtures are distinct 17th-century musical forms that served as orchestral introductions to operas.1

The French overture, popularized by Jean-Baptiste Lully, is characterized by a two-part structure: a slow opening section featuring dotted rhythms followed by a quick, imitative, or fugal section. It often concluded with a slow passage, which was sometimes expanded into a third section using a dance form like a minuet or gavotte.1

In contrast, the Italian overture (also known as a sinfonia) became firmly established in the late 17th century through the works of Alessandro Scarlatti. It follows a three-section structure in a fast-slow-fast (allegro-adagio-allegro) tempo arrangement. While the French style influenced the development of the orchestral suite, the Italian overture served as a primary model for the evolution of the classical symphony.12