Watch: Mozart, Le nozze di Figaro, Acts I and II (Met Opera on Demand, 1998)

Question:
1.    How do the first two acts of Le nozze di Figaro reflect general characteristics of late eighteenth-century opera buffa?

2.    Using the text/translation and a score, sketch out the first part of the second-act finale (up to the arrival of the gardener Antonio), showing all the different shifts in style as well as key and signature changes. Explain how these musical changes and shifts fit with the drama.