Chicago soul girl group the Opals released three exquisite singles on the Okeh label between January 1964 and February 1965, all of them produced by Carl Davis, in addition to which they also recorded background vocals for other artists. When Tony Rounce compiled Kent’s CD of Billy Butler’s Okeh recordings in 2007, unexpectedly found on the master tape transfer of Billy’s ‘Right Track’ were two unidentified female tracks we eventually ascertained were by the Opals.