Upplýsingar frá listasamtökum (staðfest af Operabase)
Countess Maritza by Kálmán, fim 18 mar 2021, Frá (2020/2021), Leikstýrt af Miklós-Gábor Kerényi,, Hljómsveitarstjóri Peter Guth, Maksim Alekseev, Stanislav Kochanovsky, St Petersburg Theater of Musical Comedy, Saint Petersburg, Russia