Viorica Cortez

Leevi Madetoja

Clara Petrella

Oralia Dominguez

The Cleveland Orchestra Chorus

Maria Helenita Olivares

Mafalda Favero

The Geoffrey Mitchell Choir

Alfred Deller

Anne Simon

The English Opera Group

Charles Burles

André Kostelanetz

Brigitte Lindner

Katherine Ciesinski

Kathleen Kuhlmann

Robert Stolz

Waltraud Meier

Wladimir Jan Kochanski

Xavier Tamalet

Chorus Of The Frankfurt Opera

Emma Calvé

Coro del Teatro Comunale di Bologna

Marianne Schech

Phyllis Bryn-Julson