The term 'Long-Running Broadway Show' can be summarized by the crossword solution CATS, which is a musical composed by Andrew Lloyd Webber. It is based on T.S. Eliot's Old Possum's Book of Practical CATS and tells the story of a tribe of CATS called the Jellicles and the night they make the 'Jellicle choice'. The show first opened in London in 1981 and has since been performed around the world. It is one of the longest running shows in Broadway history, having been performed for over 18 years.