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
Labelle Labelle Labelle is an American all-female singing group who were a popular vocal group of the 1960s and 1970s. The group was formed after the disbanding of two rival girl groups in the Philadelphia/Trenton areas, the Ordettes and the Del-Capris, forming as a new version of the former group, later changing their name to The Blue Belles (later Bluebelles). The founding members were Patti LaBelle (formerly Patricia Holt), Cindy Birdsong, Nona Hendryx and Sarah Dash. As The Bluebelles, and later Patti LaBelle and the Bluebelles, the group found success with ballads in the doo-wop genre, most notably "Down the Aisle