| http://www.w3.org/ns/prov#value | - Sylvia has appeared at many of the finest opera houses and festivals including La Scala Milan, Deutsche Staatsoper Berlin, Vienna State Opera, Munich State Opera, The Bolshoi Theatre, Th????tre du Ch??telet Paris and the Edinburgh International Festival, Maggio Musicale Fiorentino, Baden Baden Festival and the Verbier International Festival.
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