Тодор Костов

Ruggiero Leoncavallo

Wiener Akademie Kammerchor

Detroit Symphony Orchestra

José Cura

Lorin Maazel

Robert Craft

Annelies Burmeister

Maria Callas

Rufus Wainwright

Fritz Strassner

The Budapest Philharmonic Orchestra

Gérard Souzay

Peter Brook

Jaroslav Krček

Staatsorchester Stuttgart

Simon Estes

Rudolf Kempe

Kurt Masur

Kathleen Battle

Reinbert de Leeuw

L'Orchestre De La Suisse Romande

Hans Knappertsbusch

Peter Eötvös

Beniamino Gigli