Upplýsingar frá listasamtökum (staðfest af Operabase)
The Gypsy Princess by Kálmán, lau 30 sep 1989, Frá (1989/1989), Leikstýrt af Ctibor Drmela,, Hljómsveitarstjóri Karel Poloch, Vladimír Brázda, Divadlo Jiřího Myrona ( Jiří Myron Theatre), Ostrava, Czech Republic