Upplýsingar frá listasamtökum (staðfest af Operabase)
The Valkyrie by Wagner, Richard, mán 13 apr 2020, Frá (2020/2020), Leikstýrt af Staffan Valdemar Holm,, Hljómsveitarstjóri Constantin Trinks, Alexander Vedernikov (II), Kungliga Operan, Stockholm, Sweden