Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
West Side Story by Bernstein, Ħad 01 Apr 2012, Minn (2012/2012), Immexxi minn Josef Ernst Köpplinger,, Surmast Direttur Peter Marschik, Stadttheater Klagenfurt, Klagenfurt, Austria