Switzerland
Began in 1985
AKA: Orchester der Oper Zürich, Orchester des Opernhauses Zürich, Orchester und Chor des Opernhauses Zürich, Orchestra Of The Opernhaus Zürich, Orchestra of the Zurich Opera House, Zurich Opera House Orchestra, Zurich Opera Orchestra, Orchestre de l'Opéra de Zurich