This is elided with a closing zone from measure 80 - 84,
where the cadenza begins. Additional closing material follows the cadenza, which is
typical of works in a concerto first Allegro movement. The most notable aspect of this
form is that there is no significant development section. By contrast, the concerto by
Joseph Haydn is far more expansive, incorporating all the major components of the
sonata form typically found in a mature Classical concerto first Allegro movement.