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
Birdsong (radio channel) removed from the Digital One multiplex at 23:59:59 on Sunday 31 May 2009 to allow for the launch of Amazing Radio. The original birdsong recording used by Classic FM and Digital One continues to be available on-line via the Digital One website and from the official Radio Birdsong website. Birdsong Radio made a temporary return to digital radio in January 2014 after Jazz FM ceased broadcasting on the Digital One platform, before LBC began airing nationally from 11 February. Birdsong (radio channel) Birdsong was a temporary radio channel which used to broadcast on national digital radio in the United Kingdom.