


You must sing from the very back of stage, projecting your voice into the fly space, through a blowhole at the top of your head. In the bedroom of her 17th-floor apartment in the Chelsea neighborhood of Manhattan, where she gave lessons almost every day deep into her 80s, she would ask her students to build theaters inside their heads. Gustern, who died last month, had a gift for unusual metaphors that made her teachings stick. Barbara Maier Gustern, a 4-foot-11 woman from the tiny town of Boonville, Ind., exerted an improbable and little-known influence over New York’s overlapping music scenes, guiding cabaret performers, stage actors and rock stars to get the most out of their voices.
