On Broadway, the Great Producer records not how a show played but whether it won or lost. By that criterion, the box-office score for the season now ending is seven hits, five others that stayed on long enough to break into the black, and 25-odd errors. That reckoning, disastrous as it sounds, is about standard for the '60s—and so was the season.
Out of six attempts, David Merrick had four flops, including the musical adaptation of Breakfast at Tiffany's. Still, there were many sellout holdover hits (Mame, Cactus Flower among others) and enough intriguing fresh attractions to build an...