Upplýsingar frá listasamtökum (staðfest af Operabase)
Masquerade by Nielsen, fös 08 feb 2008, Frá (2007/2008), Leikstýrt af Kasper Holten, Morgan Alling,, Hljómsveitarstjóri Michael Schønwandt, Frans Rasmussen, Operaen (Copenhagen Opera House), Copenhagen, Denmark