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 Rossi of Voltaire's tragedy "Tancrède". Traces of Ferdinando Paer and Giovanni Paisiello were undeniably present in fragments of the music. But any critical feeling on the part of the public was drowned by appreciation of such melodies as ""Di tanti palpiti... Mi rivedrai, ti rivedrò"", which became so popular that the Italians would sing it in crowds at the law courts until called upon by the judge to desist. By the age of 21, Rossini had established himself as the idol of the Italian opera public. He continued to write operas for Venice and Milan during the next few years,