Unforgettable; (Get Your Kicks On) Route 66; Orange Colored Sky; Mona Lisa; Walkin' My Baby Back Home; Straighten Up And Fly Right; Send For Me; Looking Back; You Call It Madness (But I Call It Love); ...

Opinions expressed by Forbes Contributors are their own. Hugh McIntyre covers music, with a focus on the global charts. Nat King Cole—who is credited on the Billboard charts sometimes as Nat ...