Jean Sibelius; Kim Borg, Erik Werba
2007/None/None
Nicolai Gedda, Erik Werba
1994/None/None
Franz Schubert; Ernst Haefliger, Erik Werba
1992/None/None
Brahms, Schubert, Wolf; Irmgard Seefried, Erik Werba
2000/None/None