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
Frog and the Birdsong home at sundown, another blackbird starts singing a beautiful song, "as it always does," indicating that life goes on. Velthuijs first published "Frog and the Birdsong" in 1991 with Leopold, a Dutch publisher of children's books. It won the 1992 "Gouden Griffel", one of the most significant Dutch prizes for children's books, and was a runner-up for the companion award for illustrations, the "Gouden Penseel". By 2003, it was in its fourteenth printing. The book was digitized by the Digital Library for Dutch Literature and is available online. It is translated into English and published by Andersen Press. Children often