By Denny Dyroff, Entertainment Editor, The Times “Brigadoon” is a well-loved Broadway musical that had its debut on the Great White Way in March 1947 at the Ziegfeld Theatre, where it ran for 581 performances. Songs from the musical, such as “Almost Like Being in Love,” have become standards. Bur, “Brigadoon” is a show that is relatively unfamiliar to the last few generations of theater...