Iolanthe; or, The Peer and the Peri of 1882 is the seventh of Gilbert and Sullivan’s fourteen collaborations. It was their first work to premiere at the Savoy Theatre (although Patience had transferred there in 1881) and ran for 398 performances, while also appearing extensively across the United Kingdom and America. It concerns a Fairy named Iolanthe who marries a mortal man. Although this is a capital offence under Fairy law, the Queen of the Fairies curtails her punishment to...