Cindy Birdsong who is Sundray Tucker's sister, had already joined Mary Wilson and Jean Terrell onstage and on the "Floy Joy" album cover, as Birdsong's pregnancy became visible. After a brief hiatus, Birdsong returned to the Supremes in November 1973, replacing a pregnant Laurence and remaining with the Supremes until she retired in February 1976, frustrated with her dealings with Mary Wilson's then-husband Pedro Ferrer, who was serving as the group's manager; coincidentally, a few days before Birdsong's official departure, Florence Ballard died of cardiac arrest at the age of 32 while experiencing a financial and personal recovery. During that period, Birdsong
Cindy Birdsong group found a hit with the ballad, "Down the Aisle (The Wedding Song)". Birdsong was noted for her high soprano vocals in the background. From 1963 until 1966, The Blue Belles, later Patti LaBelle and The Bluebelles, found relative success on the charts and were raved for their live performances. After first performing at the Apollo Theater in 1961, the group became regular headliners at the world-famous venue, earning the nickname, "The Sweethearts of the Apollo". Following the success of "Down the Aisle", the group had follow-up success with "You'll Never Walk Alone" and "Danny Boy" before leaving their second