sentences:  Since then, Malfitano has sung at the major opera houses throughout the world, including the Metropolitan Opera in New York City, Teatro alla Scala in Milan, Royal Opera House in London, Théâtre du Châtelet in Paris, Théâtre Royal de la Monnaie in Brussels, Grand Théâtre de Genève in Geneva, Teatro Comunale in Florence, Gran Teatre del Liceu, Berlin State Opera, Wiener Staatsoper in Vienna, Bayerische Staatsoper in Munich, Paris Opéra, Hamburgische Staatsoper in Hamburg, De Nederlandse Opera in Amsterdam as well as the Lyric Opera of Chicago, the San Francisco Opera, the Los Angeles Opera, the Houston Grand Opera and the Salzburg Festival.One of Malfitano's best-known roles is the title role in the opera "Tosca", for which she won an Emmy Award in 1992, performing opposite Plácido Domingo as Mario Cavaradossi and Ruggero Raimondi as Scarpia.The opera was broadcast live from the actual Roman settings of the opera and viewed by viewers worldwide.