Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Richard Wagner Operngala by Wagner, Richard, Sib 30 Set 2023, Minn (2023/2023), Surmast Direttur Hans Richter, Helge Dorsch, Hans Haerle, Markgräfliches Opernhaus, Bayreuth, Germany