Comments from Ann Miller, Eddie Albert, Nina Foch, Shirley Jones and Gwen Verdon, and trailers and clips from "Gigi," "Kismet," "Kiss Me Kate," "Annie Get Your Gun," "Damn Yankees," "Singin' in the Rain," "An American in Paris," "Carmen Jones," "Bandwagon" and "Seven Brides for Seven Brothers" evoke the decade in movie musicals.