Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Supposed Miracle by Stefani, Ħam 08 Nov 2001, Minn (2001/2002), Immexxi minn Krzysztof Kolberger,, Surmast Direttur Bogdan Hoffmann, Teatr Wielki - Opera Narodowa, Warsaw, Poland