Though both shows are making tons of money in their home theaters, they’re trying new things as Hamilton preps for its London opening and Harry Potter and the Cursed Child for New York. “‘I’ve been in the business 50 years, and I’ve lived through lots of scalping,’ said Cameron Mackintosh, producer of Cats, Les Misérables, The Phantom of the Opera and Miss Saigon. ‘It’s just got far, far more sophisticated, because of automation’s creeping stranglehold on human beings.'”