Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Komponisten in Wahnfried – Karlsbader Symphoniker by Wagner, Richard, Humperdinck, Strauss II, Liszt, Harris, Clement, Minn (2024/2024), Surmast Direttur David Robert Coleman, Markgräfliches Opernhaus, Bayreuth, Germany