[Souvenir program for The show is on, with Beatrice Lillie and Bert Lahr, words and music mostly by Duke & Fetter and also by Rodgers & Hart, Dietz & Schwartz, the Gershwins, Harburg & Arlen, Carmichael & Adams, Zeno & Irwin, Herman Hupfeld, dialogue mostly by David Freedman and also by Moss Hart, the entire production conceived and staged by Vincente Minnelli.