He was the permanent pianist of Christa Ludwig, Bernarda Fink, Gundula Janowitz, Vesselina Kasarova, Marjana Lipovšek, Jessye Norman, Deborah Polaski, Thomas Quasthoff, Ildikó Raimondi, Peter Schreier, John Shirley-Quirk and Deon van der Walt.
He also accompanied Cheryl Studer, Elīna Garanča, Petra Lang, Andreas Schmidt, Peter Seiffert, Petra-Maria Schnitzer, Janina Baechle and Iris Vermillion.
[1] He has recorded numerous disks - including Schubert Lieder with Gundula Janowitz and Thomas Quasthoff, Brahms-Lieder with Marjana Lipovšek, Deborah Polaski, Deon van der Walt, Doris Soffel and Michael Volle as well as recitals with Maria Venuti and Deon van der Walt.
Supported by the Landesregierung von Schleswig-Holstein [de], he founded a song festival with the singer Ulf Bästlein in Husum.
His Rossini-CD with Cecilia Bartoli and his accompaniment to Christa Ludwig's "Farewell to Salzburg" received international recognition.