The Choristers Of St. Nicholas College

Angelica Tuccari

Georgine von Milinkovic

Jean Fournet

Serge Koussevitzky

Stella Andreva

Enrico Roggio

St. Peter's Boys' Choir

Paul Belanger

Kurt Wöss

Georges Thill

Choeurs Du Théâtre Royal De La Monnaie

Mattiwilda Dobbs

Ellinor Junker-Giesen

Sebastian Hauser

Gewandhausorchester Leipzig

Pilar Lorengar

Großer Chor Des Berliner Rundfunks

Pia Tassinari

Ursula Richter

Virginia Zeani

Alfons Fügel

Pittsburgh Symphony Orchestra

Antonino Votto

Columbia Broadcasting Symphony