Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Punch and Judy by Birtwistle, Ġim 01 Apr 2011, Minn (2011/2011), Immexxi minn Daniel Kramer, Elaine Tyler-Hall,, Surmast Direttur Wen-Pin Chien, Bâtiment des forces motrices, Geneva, Switzerland