Thanks for helping improve the accuracy of the site. We’ve noted what item you were on; please now visit the web page of the duplicate of production of Tonight at 8.30, by Noël Coward, Ravinia Festival, Illinois, USA, 8^th – 27^th September 1970 and click the button that will have appeared there.

If they have the exact same name, a search for production of Tonight at 8.30, by Noël Coward, Ravinia Festival, Illinois, USA, 8^th – 27^th September 1970 will probably help.