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
Stabat Mater (Rossini) Stabat Mater (Rossini) Stabat Mater is a work by Gioachino Rossini based on the traditional structure of the Stabat Mater for chorus and soloists. Initially he used his own librettos and compositions for a portion of the work and, eventually, the remainder by Giovanni Tadolini, who composed six additional movements. Rossini presented the completed work to Varela as his own. It was composed late in his career after retiring from the composition of opera. He began the work in 1831 but did not complete it until 1841. In 1831 Rossini was traveling in Spain in the company of his friend