Little Eva Narcissus Boyd was a babysitter for Carole King and Gerry Goffin when the songwriting team was inspired to write "The Loco-Motion," a song based on a dance that Eva would do around the house. Eva also got to sing on their demo, which impressed Don Kirshner enough to release it as it was. One of the greatest girl group hits, "The Loco-Motion" hit number one in 1962; the follow-up, "Keep Your Hands Off My Baby," was also written by Goffin-King. Almost as good as her debut, it reached the Top 20, and was even covered by the Beatles on-stage in their early days (though ...