the closing section. This section typically follows the development section in the sonata-allegro form and is characterized by a sense of resolution and finality. In the closing section, the music returns to the home key and prepares for the return of the main theme in the recapitulation. The closing section often features a series of chords that progress towards the final cadence, which is a chord progression that creates a sense of resolution and closure. The closing section is an important part of the sonata-allegro form, as it helps to structure the overall form of the piece and provides a sense of balance and symmetry.