Michael Murray

Franz Waxman

The Oratorio Society

Hu Kun

Frank De Bruine

Marga Schiml

Jennie Tourel

Joachim Dalitz

Wilhelm Schüchter

Walter Stiftner

Ronald Thomas

Patricia Spence

Christiane Eda-Pierre

Georges Pludermacher

Orchestra Del Teatro Regio Di Torino

Mantovani

Esteban Sánchez

Atar Arad

Sir Alexander Campbell Mackenzie

Alfred Gross

Collegium Academicum De Genève

Carlo Cossutta

Victor Torres

Nathaniel Rosen

Bonaldo Giaiotti