sentences:  The musical opened to rave reviews in Boston but was received less favorably by the critics in Toronto.During its Philadelphia run, President Kennedy was assassinated, necessitating the replacement of the opening number, "Long Live the King (If He Can)".The musical opened on Broadway, directed and choreographed by Joe Layton, on December 8, 1963 at The Broadway Theatre, where it ran for 112 performances and four previews.