The Cadillacs

A distinguished '50s R&B group whose legend has grown appreciably over the years, the Cadillacs considered uptempo numbers like "Speedo" (sometimes spelled "Speedoo") (#17 pop, 1956; #3 R&B, 1955) their forte, although latter-day fans often prefer their slow ballads.

Originally called the Carnations, the Cadillacs came together in 1953 after a series of informal sing-along sessions in Harlem. A...