Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Sigurd the Dragonslayer by Pape, Sib 25 Mar 2006, Minn (2006/2006), Immexxi minn Bent Nørgaard,, Surmast Direttur Erik Kaltoft, Operaen (Copenhagen Opera House), Copenhagen, Denmark