 She has since returned there to sing The Princess in "Rusalka" and the roles of Ortrud, Tosca, and Turandot.Urbanová also made her debut at La Scala in 1997 as Tosca.She has since made guest appearances at numerous other opera houses internationally, including the Canadian Opera Company, Den Norske Opera, the Deutsche Oper Berlin, the Los Angeles Opera, the Opéra National de Paris, the Prague State Opera, the Royal Opera, London at Covent Garden, and the San Francisco Opera.