Regular performances as lieder singer in London, New York, Washington and Vienna. Engage­ments with the most distinguis­hed opera houses. Successful collaborations with orchestras, like the Israel Philharmonie Orchestra, Berlin Philharmonie, the Gewand­haus Orchestra in Leipzig and the Cleveland Orchestra. About 5O CD recordings of works by Haydn, Mozart, Beethoven, Schubert, Schumann, Brahms as well as recor­dings and intensive exploration of works by the Nazi Regime perse­cuted composers, like V. Ullmann and E. Krenek. Recordings of works by Schumann, Schubert and Brahms. “Ein deutsches Requiem” was awarded with a Grammy. Head of a lied and oratorio class at the Mozarteum in Salzburg since 1998. Master classes in Europe and North America. Head of the international summer academy, Mozarteum Salzburg.