Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Die Zwingburg by Krenek, The Secret Kingdom by Krenek, Minn (1999/1999), Immexxi minn Michael Scheidl,, Surmast Direttur Matthias Fletzberger, Jugendstiltheater am Steinhof, Vienna, Austria