Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Siegfried by Wagner, Richard, Sib 20 Apr 2019, Minn (2018/2019), Immexxi minn Sabine Hartmannshenn,, Surmast Direttur Felix Bender, Guillermo García Calvo, Opernhaus Chemnitz, Chemnitz, Germany