 After "Thunderball" was written, Barry wrote, orchestrated, and recorded several new pieces interpolating it.Barry's scores always included a track which gave the film's theme song a full statement in the form of a sensitive, slowed-down instrumental ballad, often played over a romantic moment or a scene set in a nightclub or casino; he re-arranged "Thunderball" as a lush, subtly jazzy orchestral piece in the easy listening style that was popular at the time.Though "Mr.