Interview about Operetta: Opernwelt 3.1995, reissue in Opera Lounge 2019
80. Birthday Special: Opernwelt 12.1995
90. Birthday Interview: Opernwelt 12.2005
Radio Portrait 1990
Interview about Operetta: Opernwelt 3.1995, reissue in Opera Lounge 2019
80. Birthday Special: Opernwelt 12.1995
90. Birthday Interview: Opernwelt 12.2005
Radio Portrait 1990