At last, the remaining piece of the Dusty Springfield puzzle hits CD.  On May 23, Cherry Red label RPM will reissue the complete recordings of The Lana Sisters, the late-fifties girl group formed by Ris Chantelle, Lynne Abrams and Mary Catherine O’Brien, later to find fame as soul queen Dusty Springfield.  Between 1958 and 1960, The Lana Sisters released seven singles on the U.K.’s Fontana label, all of which are included on RPM’s Chantelly Lace: Complete Singles Plus Bonus Tracks. Despite their brief time in the limelight, The Lana Sisters had an…