- Isabel Bayrakdarian, Zheng Cao, Joyce DiDonato, Susan Graham, Paul Groves, Keith Phares, Frederica von Stade, Dawn Harms, CarlaMaria Rodrigues, Emil Miland & Jake Heggie
- Regula Mühlemann, Okka von der Damerau, Wolfgang Schwaiger, Tareq Nazmi & Adrian Baianu
- Dimitri Mitropoulos, Jan Peerce, Marian Anderson, Robert Merrill, Roberta Peters, The Metropolitan Opera Orchestra & Zinka Milanov
- Michael Tilson Thomas, Edita Gruberová, Karita Mattila, Lucia Popp & London Symphony Orchestra
