https://www.opera-online.com/de/items https://www.opera-online.com/de/items filtrer Wonderful Town - Volksoper Wien ... Volksoper Wien, 2018
https://www.opera-online.com/de/items https://www.opera-online.com/de/items filtrer Volksoper Wien WienÖsterreich
https://www.opera-online.com/de/items https://www.opera-online.com/de/items filtrer Regula Rosin Mezzosopran