 14 (with Ghena Dimitrova, at the Piccola Scala).He also appeared at the Vienna State Opera, the Salzburg Festival, the Paris Opéra, and the Aix-en-Provence Festival.While the basso never appeared with the Metropolitan Opera, he sang with the New York City Opera, in 1950 and 1951, in "Turandot", "Faust", "La bohème", "Don Giovanni" (as Leporello), "Aida" (as Ramfis, opposite Herva Nelli), and "Manon" (as the Comte des Grieux).