Opened at the Ziegfeld Theatre in 1947. Ran 581 performances, to about May 1948. Brigadoon is a musical with book and lyrics by Alan Jay Lerner and score by Frederick Loewe. The plot features two American men who stumble upon Brigadoon, a mysterious Scottish village that appears for only one day every 100 years; one man soon falls in love with a young woman from Brigadoon. The show's song "Almost Like Being in Love" subsequently became a standard. Wiki link