1. Allegro con brio

Form

Sonata

Theme (B flat major)

Theme (C major)

Theme - March (F major)

Development Features

Brief Fughetta (based on the C major theme)
Breezy doubled/harmonized 2-voice canonic passages: violins (voice 1) and viola/cello (voice2)
Suspension, near evaporation just before the recapitulation
Brief new material introduced in the recapitulation
No coda