Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Comedian Harmonists by Wittenbrink, Sib 14 Jan 2012, Minn (2011/2012), Immexxi minn Hajo Fouquet, Oliver Hennes,, Surmast Direttur Deborah Coombe, TNT Studio, Lüneburg, Germany