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
Messa per Rossini Messa per Rossini The Messa per Rossini is a Requiem Mass composed to commemorate the first anniversary of Gioachino Rossini's death. It was a collaboration among 13 Italian composers, initiated by Giuseppe Verdi. The composition was intended to be performed on 13 November 1869 in the Basilica of San Petronio, Bologna, where Rossini grew up and spent a large part of his life. Verdi had proposed this collaboration in a letter from 17 November 1868, four days after Rossini's death, to his publisher at Casa Ricordi, Tito Ricordi (1811–1888), stating that after the performance, the manuscripts should be sealed in