Giuseppe Lugo

Philharmonisches Staatsorchester Hamburg

Eugenia Mantelli

Sigurd Björling

Ralph Sigwald

Samuel Barber

Guglielmo Masini

The Budapest Philharmonic Orchestra

Horst Wilhelm

Frederick Sharp

Netherlands Philharmonic Choir

Carlo Forti

Vito Susca

Tito Dolciotti

Jacques Labrecque

Clifford Harvuot

Laszlo Szemere

Ettore Gracis

Franz Salmhofer

Arthur Grüber

Berliner Symphoniker

Arrigo Guarnieri

Manfred Hübner

Luisa Malagrida

Coro del Teatro Comunale di Bologna