Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
How to Become Rich and Happy? by Spoliansky, Ħad 11 Fra 2018, Minn (2017/2018), Immexxi minn Thomas Fiedler, Jan Dvořák,, Surmast Direttur Matthew Toogood, Nationaltheater, Mannheim, Germany