London Philharmonic Orchestra, Christian Rainer, Bernhard Kontarsky, Ruggiero Ricci, Alberto Lizzio, London Festival Orchestra, Jussi Björling, Robert Merrill, Studio choir, Hungarian State Opera Orchestra, Maria Spacagna, Charles Rosenkrans, Peter Frankl, Bystrik Rezucha, Slovak Philharmonic Orchestra, Czech Symphony Orchestra, John Oakman, Julian Bigg, Lily Pons, Oliver von Dohnányi, Katarina Kmetova, Bratislava Opera Orchestra, Hanspeter Gmür, Nuremberg Symphony Orchestra, Roy Goodman, European Union Baroque Orchestra, Martin Souter, James Gregory, Jonel Perlea & Wiener Philharmoniker
