 The accompanying vocals on Everett's recording were provided by Vee-Jay session regulars the Opals, a trio of teenage girls (Rose Addison, Myra Tillison, and Rose "Tootsie" Jackson) from East Chicago, Indiana.Dave Marsh in his book "The Heart of Rock and Soul" opines that Betty Everett's version, "while [credited] as a solo performance is one of the finest girl group hits, undoubtedly the best one made outside the genre's New York City/Philadelphia/Los Angeles "axis"".Everett's version of "The Shoop Shoop Song" reached number 6 on the "Billboard" Hot 100 chart in the spring of 1964