Sandra Warfield performed with the Zurich Opera, where in 1961 she sang Katerina in the world premiere of Martinů's "The Greek Passion". They returned to the United States, and the Metropolitan Opera, in the 1960s. Her performances at the Met included Ulrica in Giuseppe Verdi's "Un ballo in maschera", Berta in "The Barber of Seville" by Gioachino Rossini, Marcellina in "The Marriage of Figaro", Maddalena in "Rigoletto" by Verdi and Erda in Richard Wagner's "Siegfried", totaling 172 performances. She sang the role of Delilah in "Samson and Delilah", with Richard Tucker performing as Samson. In her farewell performance in January 1972, Warfield
Gioachino Rossini History of Western Music", "Rossini's fame surpassed that of any previous composer, and so, for a long time, did the popularity of his works. Audiences took to his music as if to an intoxicating drug—or, to put it more decorously, to champagne, with which Rossini's bubbly music was constantly compared." Rossini took existing operatic genres and forms and perfected them in his own style. Through his own work, as well as through that of his followers and imitators, Rossini's style dominated Italian opera throughout the first half of the 19th century. In his compositions, Rossini plagiarized freely from himself, a