She was engaged at the Nationaltheater Mannheim, and at the Semper Oper in Dresden, both for 6 years.
She was invited to sing major roles at important opera houses in Europe, so in Geneva, Copenhagen, Amsterdam, Deutsche Oper and Komische Oper Berlin, National Theatre Prague, Opéra du Rhin Strasbourg, Volksoper Vienna, Karlsruhe, Bremen, Düsseldorf, Bonn, Hannover, Leipzig, Parma, Modena, Piacenza, Ravenna among many others..
She sang all of Mozart’s soprano roles beyond the light soprano roles, beginning with “Queen of the night”, continuing with Constanze, Fiordiligi, Donna Anna, la Contessa in “Le nozze de Figaro”, finally also Elettra and Vitellia. Other important roles were Musetta in “La Boheme”, Sophie in the “Rosenkavalier”, Zerbinetta in “Ariadne auf Naxos”, Agathe in “Der Freischütz”, all soprano roles in “Le Contes d’Hoffmann” in a staging by Harry Kupfer at the Komische Oper Berlin, Rosalinde in “Fledermaus”, and some major roles in contemporary operas, among them Luigi Nonos “Intolleranza”.)
Claudia Kunz worked with well-known conductors such as Giuseppe Sinopoli, Jeffrey Tate, Thomas Hengelbrock, Donald Runnicles, Stefan Soltez, Friedemann Layer, Jun Märkl, Marc Albrecht, J.Belohlavek, Miguel Gomez Martinez, Adam Fischer – and stage directors as Willy Decker, Werner Schröter, Harry Kupfer, Christine Mielitz, Christoph Loy and others.
She has also worked out and performed a large concerto and recital repertoire from Purcell and Bach to John Cage, with an emphasis on late romantic and classical modern composers.
Since 2003 she has a professorship for singing at Hochschule für Musik und Tanz in Cologne-Germany. She was invited to give Masterclasses in Germany, Tokyo, at the Daniel-Ferro-Vocal-Programm in Italy, at Aims (American Institute of Musical Studies) in Graz (Austria
