Upplýsingar frá listasamtökum (staðfest af Operabase)
Martha für Kinder by Flotow, Frá (2019/2019), Leikstýrt af Frank Martin Widmaier,, Hljómsveitarstjóri Christian van den Berg-Bremer, Schloss Rheinsberg (Schlosstheater Rheinsberg), Rheinsberg, Germany