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In page Lisa Otto:

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She is best known for soubrette roles in Mozart's operas, such as Blondchen, Susanna, Zerlina, Despina, and Papagena. Other notables roles included the First Lady, Marzelline, Ännchen, Zerline, Echo, etc. She took part in the creation of Giselher Klebe's Alkmene and Hans Werner Henze's Der junge Lord. She made guest appearances at the Vienna State Opera, the Salzburg Festival, La Scala in Milan, the Paris Opera, and the Glyndebourne Festival Opera.[citation needed]