Opened at the Broadhurst Theatre on May 23, 1940. Ran 44 performances, to about July 1940. Keep Off the Grass is a musical revue with sketches by Mort Lewis, Parke Levy, Alan Lipscott, S. Jay Kaufman, and Panama & Frank, lyrics by Al Dubin and Howard Dietz, and music by Jimmy McHugh. The choreography was by George Balanchine. Wiki link