Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Grand Duchess of Gerolstein by Offenbach, Tli 22 Ġun 1999, Minn (1999/1999), Immexxi minn Christopher Alden,, Surmast Direttur Yves Abel, Lviv National Academic Opera and Ballet Theatre, Lviv, Ukraine