The Geneva Chamber Orchestra (L'OCG, L'Orchestre de chambre de Genève), is a Swiss professional orchestra based in Geneva.website It was founded in 1958.Who's who in Switzerland: including the Principality of Liechtenstein Hans Girsberger - 1989 "first conductor Johannesburg Orchestra; Founder and conductor of Orchestre de Chambre de Geneve; 1958-79, "
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