Watch FMovies. The Zurich Opera gathered a superb cast for this production: Italian soprano Eva Mei sings the Countess Violante, known as Sandrina, the feigned gardener of the title. Spanish soprano Isabel Rey is her opponent Arminda, and Arminda's former lover, the melancholy Cavaliere Ramiro, is sung by Romanian mezzo Liliana Nikiteanu. Moretti's staging presents the action in a modern villa in a hierarchical world of the rich and famous.