Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Mark seibert & Lukas Perman in concert vol. 1: Ziemlich gute Freunde by Various, Tne 04 Ġun 2018, Minn (2018/2018), Surmast Direttur Christian Frank, Raimund Theater, Vienna, Austria