“Baby Got Back” gets a Gilbert and Sullivanremix in this hilarious clip from “The Pirates of Penzance,” the 1983 flop starring Kevin Kline, Linda Ronstadt (proof that literally everyone has a Golden Globe nomination) and puffy-haired, puffy-shirted girlyman pop singer Rex Smith, who still has a fan site, in which he announces that he has not quite abandoned his artistic passion but makes a living as a Realtor. (Thanks to Christopher Nugent)