Richard Linklater's upcoming film, 'Blue Moon,' explores the life of lyricist Lorenz Hart, played by Ethan Hawke. The trailer reveals Hart's struggles with Richard Rodgers' success, leading him to drink to his sorrows. Margaret Qualley, Bobby Cannavale, and Andrew Scott also star in the film, which promises a poignant portrayal of artistic jealousy and personal turmoil within the backdrop of musical theater.