Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
West Side Story by Bernstein, Ħad 21 Nov 2004, Minn (2004/2004), Immexxi minn Arthur Castro,, Surmast Direttur Ralf Lange, Rhodri Britton, Witolf Werner, Opernhaus Dortmund, Dortmund, Germany