Gregg Opelka’s musical, 'C’est la Vie,' will see its New York premiere at the Duplex Cabaret Theatre this September. 'C’est la Vie' is a celebration of the 1950s Parisian cabaret lifestyle and will feature Jackie Schiffer and Angela Pierson as the main characters. The musical is directed by Andreas Hager, choreographed by Nia Woods and designed by Anna Yates.