Superman (Salkind films) adopted a high protein diet. He added of muscle to his thin frame. He later made even higher gains for "Superman III" (1983), though for "" (1987), he decided it would be healthier to focus more on cardiovascular workouts. One of the reasons Reeve could not work out as much for "" was an emergency appendectomy he had in June 1986. Reeve was never a Superman or comic book fan, though he had watched "Adventures of Superman" starring George Reeves. Reeve found the role offered a suitable challenge because it was a dual role. He said, "there must be some
Superman music running time, much of the music was not heard and "Jeremy's Theme" in particular was virtually undetectable in the final version. No music from the film was released for over twenty years until Film Score Monthly issued an 8-CD box set called "Superman: The Music (1978-1988)" which presents the complete score to "". Three new themes were composed for Bryan Singer's 2006 film, a "Bad Hat Harry" production, which loosely followed the continuity of the first two Reeve films: a personal theme for Superman, a motif for Lois and her son, and a darker theme for Lex Luthor. Singer's favorite