In 1970, “Let The Sunshine In” was used in an Ad Council PSA for the National Urban Coalition; the commercial promoted racial harmony using a large all-star choir including cameos by Ray Charles, Peggy Cass, Johnny Carson, Will Geer, Leonard Nimoy, Ali MacGraw, Gwen Verdon, Stacy Keach, Joel Grey, Ossie Davis Ruby Dee, and many more.
