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In page Anneliese Rothenberger:

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Having favoured light and high-register lyric parts in the beginning of her career, by the mid-1960s she changed to roles with a stronger dramatic emphasis, including Konstanze in Mozart's Die Entführung aus dem Serail (for example 1965 with Fritz Wunderlich in the now legendary Salzburg Festival production staged by Giorgio Strehler and designed by Luciano Damiani), Fiordiligi in Così fan tutte, Zdenka in Richard Strauss's Arabella, Marie in Berg's Wozzeck, Soeur Constance in Poulenc's Dialogues of the Carmelites, and Violetta in La traviata on stage. She also appeared in many contemporary operas by Henze, Britten, Hindemith, Carl Orff, Pfitzner, and Menotti.[citation needed]