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
Otis Birdsong 1977 Consensus All-American and Southwest Conference Player of the Year after leading the Houston Cougars to a 29-8 record and the National Invitational Tournament championship game against St. Bonaventure. Birdsong scored 38 points and made 18 free throws against the Bonnies, but Houston lost. He ranked fourth nationally in scoring and set an SWC record with 30.3 points per game. His accomplishments resulted in Birdsong being named SWC Player of the Decade. In addition to receiving All-American honors, Birdsong was named to the All-Southwest Conference team in 1976 and 1977. Additionally, he was named District VI Player of the Year