 However parts of the song "The Right to Go Insane", from the 2009 album "Endgame", can be heard near the end of the film.In the film, Rick Marshall sings the original "Land of the Lost" theme and two other tracks (Tracks 5 and 27) utilize parts of the theme as well., The musical "A Chorus Line" plays a part in the story, and Ferrell sings Cher's 1998 dance pop hit "Believe".Varèse Sarabande released the soundtrack album on June 9, 2009 (tracks 30-32 are bonus tracks).