JL;DR SUMMARY "Opening Night" is a daring musical adaptation of John Cassavetes' 1977 film that explores the anxieties of a stage star, Myrtle Gordon, played by Sheridan Smith, as she faces self-doubt and personal struggles leading up to the opening night of her play. A way out west there was a fella, fella I want to tell you about, fella by the name of Jeff Lebowski. At least, that was the handle his lovin' parents gave him, but he never had much use for it himself. This Lebowski, he called himself the Dude. Now, Dude, that's a name no one would self-apply where I come from. But then, there was a lot about the Dude that didn't make a whole lot of sense to me. And a lot about where he lived, likewise. But then again, maybe that's why I found the place s'durned innarestin'.