Upplýsingar frá listasamtökum (staðfest af Operabase)
Iolanta by Tchaikovsky, P. I., sun 08 apr 2018, Frá (2018/2018), Leikstýrt af Dieter Kaegi,, Hljómsveitarstjóri Alexander Anisimov, Francis Benichou, Vito Lattarulo, Stadttheater Biel, Biel/Bienne, Switzerland