Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Rhinegold (reduction) by Wagner, Richard, Erb 29 Nov 2017, Minn (2017/2017), Immexxi minn Brigitta Gillessen,, Surmast Direttur Rainer Mühlbach, Staatenhaus Köln, Cologne, Germany