Ramon Vinay

Louis Sgarro

Lawrence Davidson

Mildred Allen

Gabor Carelli

Paul Franke

Calvin Marsh

William Wilderman

Norman Scott

Coro del Teatro Metropolitan

Alessio de Paolis

Osie Hawkins

Blanche Thebom

Robert Nagy

Mack Harrell

Giullo Garl

Dimitri Mitropoulos

Inge Borkh

Margaret Roggero

Orchestra del Teatro Metropolitan