Polish soprano Iwona Sobotka stole the show as Vespina. Her gorgeous, flawless and versatile voice and stage presence made for an effortless performance. She's got a huge, blinding, solid middle voice that flips into the most delicate and elegant coloratura, wholly light and tranquil, never forced. Her first act aria "Come piglia si bene la mira" was so natural and unaffected, and she sliped into a pure workspace that the other soloists couldn't even touch. Her recitative was weightless and airy. She easily morphed into her six separate characters and owned each one individually without ever a sense of overbearing.