https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Im Nebel ein Licht - Staatsoper ... Staatsoper Unter den Linden...
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Staatsoper Unter den Linden BerlinGermany
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Roman Trekel Baritone
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Katharina Kammerloher Mezzo soprano
