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 Derby Gilbert & Sullivan Company production of The Mikado, by W S Gilbert and Arthur Sullivan, Assembly Rooms, Derby, 2^nd October 2011 and click the button that will have appeared there.

If they have the exact same name, a search for Derby Gilbert & Sullivan Company production of The Mikado, by W S Gilbert and Arthur Sullivan, Assembly Rooms, Derby, 2^nd October 2011 will probably help.