Bill Giant (Zimmerman) who worked on close to forty tunes with Elvis Presley was part of the composing team of Baum - Giant -Kaye whose work also included "Devil In Disguise". Using the pseudonym Ethel Lee (his wife's maiden name) Bill wrote "Speedy Gonzales". The GBK trio wrote "That's Old Fashioned" a top ten hit for the Everly Brothers.

Elvis took "Devil In Disguise" to the top three in 1963.