Cindy Birdsong did not hear Birdsong's voice on most of The Supremes' newest singles. Except for featured backgrounds on several collaborations with The Temptations, live album tracks, and some studio LP tracks, Birdsong and fellow member Mary Wilson did not sing backing vocals on the group's later singles. Session singers The Andantes substituted for Mary and Cindy on many, although not on all, cuts in subsequent Diana Ross & the Supremes albums. Both the "Let the Sunshine In" album and the "Cream of the Crop" album include tracks on which Florence Ballard, Mary Wilson and Cindy Birdsong sing back-up, often in tandem
Gary Birdsong up their materials, Gary entered The Pit near their table and began to preach. They asked him to move away from their table, and Birdsong moved to the other side of The Pit. The representatives for Carolina Adventures did not feel this was sufficient and subsequently summoned UNC Police to remove Birdsong from the area. After refusing to move further away, he was removed to loud jeers directed at the police from the crowd that had gathered to watch him preach. A similar incident occurred in the 1980s resulting in his arrest. Birdsong was issued a trespass warning that prohibited