Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Circus Princess by Kálmán, Sib 03 Jan 2015, Minn (2015/2015), Immexxi minn Thomas Mittmann,, Surmast Direttur Lauri Sirp, Jüri Alperten, Kaspar Mänd, Estonian National Opera, Tallinn, Estonia