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 under state control and turned into the Conservatorio Statale di Musica "Gioachino Rossini". The corporate body which managed Rossini's inheritance assumed the name Fondazione G. Rossini. The aims of the institution, which is still active, are to support the conservatory and promote the figure, the memory, and the works of Rossini. The institution has been a major sponsor of the Rossini Opera Festival since its beginning. Rossini's estate funded the Prix Rossini, a prize awarded to young French composers and librettists. The prize began to be awarded in 1878 on the death of his widow and is given by the