 This instrument's distinctive sound would become a mainstay of other film soundtracks in the 1970s.The opening theme, "On Her Majesty's Secret Service", also serves as an action theme alternate to Monty Norman's "James Bond Theme" - a piece of music which makes its last appearance in this film.Barry's arrangement of Norman's "James Bond Theme", first used in "Dr. No" in 1962, had been used throughout Sean Connery's tenure from 1962 to 1967, but since "On Her Majesty's Secret Service", the theme has been incorporated as a melody within each film's score, rather than as a standalone piece.