[This edition of my Hit Parade—“The Bridge” bonus series is available to Slate Plus subscribers only. A link to the episode show page is below. To sign up for Plus—and tell Slate that Hit Parade sent you!—visit slate.com/hitparadeplus.]
In this mini-episode of Hit Parade, host Chris Molanphy is joined by music journalist and interviewer of vocal legends Christian John Wikane. He says what set apart the Pointer Sisters—including Ruth Pointer, whom Christian has interviewed numerous times—was their across-the-board vocal quality: all three sisters (four in the ’70s, including Bonnie Pointer) were both gifted lead vocalists and natural harmony singers.