Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Tristan and Isolde by Wagner, Richard, Sib 27 Mar 1999, Minn (1999/1999), Immexxi minn Klaus Michael Grüber,, Surmast Direttur Claudio Abbado, Großes Festspielhaus, Salzburg, Austria