Giuseppe Savio

Yuri Boukoff

Carlo Sabajno

Louis Noguera

Children's Chorus From L'Elysée Francaise

Carlos Arniches

Frederic Waldman

Giacomo Aragall

NDR Sinfonieorchester

Martial Singher

Giulio Paternieri

New York City Opera

Francis Planté

Hetty Plümacher

Howard Swan

Alois Klíma

José Tordesillas

Павел Серебряков

Carlton Cooley

Bogna Sokorska

Doro Antonioli

Hine Arthur Brown

Rotterdams Philharmonisch Orkest

The National Symphony Orchestra

Emil Von Sauer