Music: The Sins of Annie

Mack the Knife, hero of Kurt Weil's Threepenny Opera, has become a hero of U.S. pop music in dozens of record incarnations, ranging from "Satchmo" Armstrong's growl to Tito Puente's Latin-beat version. Last week a distant cousin of Mack's was a smash hit on the stage of Manhattan's City Center. Her name was Annie, and actually—in an intriguing case of split personality—she was two girls. Annie I (Singer Lotte Lenya) stood for the heroine's practical, cynical self; Annie II (Dancer Allegra Kent) embodied her sentimental, well-meaning side. Between them, the two Annies made for a topnotch show—a sort of vaudeville-ballet-cabaret act...