 It was subsequently covered by numerous artists, including Sammy Davis Jr., Jack Jones, Bobby Sherman, Sarah Vaughan, and Australian pop singer Dave Allenby.In 1977, the song was performed by Muppet gingerbread men on Episode #201 of "The Muppet Show".The film's opening theme song, "Nobody Knows", also composed by Legrand/ Bergman/ Bergman and performed in the film by Richie Havens, has also been covered a number of times, including by Natalie Cole, Lena Horne, Jack Jones, Kiri Te Kanawa, and Bill Medley.