Mockingbird (Inez & Charlie Foxx song) "Hush Little Baby" in the lyrics of his single "Mockingbird" from his 2004 album "Encore". In The Simpsons episode "Three Gays of the Condo" (2003), Marge and Homer sing the opening from the James Taylor/Carly Simon version of the song after Marge finds a puzzle piece that has James Taylor's face that is part of a jigsaw puzzle that the Simpsons put together. British singer Dusty Springfield performed the song as a duet with Jimi Hendrix on a 1968 episode of her ITV variety show, "It Must Be Dusty". No high quality versions appear to have survived to present day,
Mockingbird (Inez & Charlie Foxx song) recorded; O'Keefe, who believed that the Simon/Taylor version was effectively a cover version resulting from Festival Records company selling the O'Keefe version to American record companies, lobbied the Minister for Media and the Broadcasting Control Board to have his version of "Mockingbird" receive at least equal broadcasting time with the Simon/Taylor version on Australian radio. In the Australian stage musical "Shout!" based on Johnny O'Keefe's life, the characters of O'Keefe and of his mother Thelma perform "Mockingbird" as part of a sequence dramatizing O'Keefe's 1975 "This is Your Life" appearance. The musical opened 4 January 2001 with David Campbell and