When you buy through our links, Business Insider may earn an affiliate commission. Learn more If I could, I would probably wear jeans 365 days a year — and I'm sure plenty of other people feel ...

Other singers—Margaret Whiting, Kay Starr, Peggy Lee, even the Metropolitan Opera’s Eileen Farrell—go back and back again to wonder at the sexless, passive, unembellished Mercer style that ...