Repertoire  Schubert, Schumann, Brahms, Loewe, Liszt, Wolf, Mahler, Schoenberg (Lieder); Mozart, Verdi, Wagner Humperdinck, Pfitzner, Johann Strauss (Oper / Operette) Liner Notes  Thomas Voigt Recorded  1964-1993 Released  2019 CD Box  Deutsche Grammophon (11 CDs)