- Elza van den Heever, Bertrand de Billy, Radio-Symphonieorchester Wien, Heidi Brunner, Johan Botha, Charles Reid, Wolfgang Koch, Elisabeta Marin, Janusz Monarcha
- Bertrand de Billy, Lisa Gasteen, Raymond Very, Béatrice Petitet-Kircher, Radio-Symphonieorchester Wien, Wiener Singakademie, Adriane Queiroz, Johan Botha, Kwangchul Youn, Ulrike Pichler-Steffen, Falk Struckmann, Anna Maria Pammer, Jochen Schmeckenbecher
Johan Botha
Biography
Botha was a versatile tenor, often performing opera and choral music with the world's best conductors.