 In 1994, Clayton sang on backing vocals and also the bridge for, "Man with the Golden Gun" Tori Amos's hit "Cornflake Girl".In 2006, Clayton provided background vocals for Sparta's album "Threes", on the songs "Atlas" and "Translations".Clayton was featured in the documentary film "20 Feet from Stardom" (2013), which premiered at the Sundance Film Festival, and went on to win the Oscar for best documentary at the 86th Academy Awards.