Upplýsingar frá listasamtökum (staðfest af Operabase)
How to Become Rich and Happy? by Spoliansky, lau 27 maí 2023, Frá (2023/2023), Leikstýrt af Marco Misgaiski,, Hljómsveitarstjóri Violetta Kollar, Ferdinand von Seebach, Kammerbühne, Halberstadt, Germany