Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Malachite Casket by Batin, Tne 05 Jan 2015, Minn (2014/2015), Immexxi minn Olga Enns,, Surmast Direttur Damir Maksutov, Perm Tchaikovsky Opera and Ballet Theatre, Perm, Russia