Start with a strong-woman ensemble piece like the 1980 film 9 to 5. Add music written by gay-fave country diva Dolly Parton. Throw in an orchestra, some sequins and a bit of razzle-dazzle, and you should have a recipe for a little slice of gay heaven.
“9 to 5: The Musical,” which opened at New York’s Marriott Marquis Theater last night, comes pretty close.