https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Wiener Konzerthaus WienAustria
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Juan Diego Flórez Tenor
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Claudio Vandelli (1967)