In 1989 the old theme was in dire need of an update. This is how that update sounded. Most viewers will have noticed that the headlines at the beginning of the broadcast have gotten much longer in recent years. The full opening sequence to the evening newscasts usually lasts at least 40 seconds today, whereas just a decade ago it lasted 20 seconds or so.

Score Productions - World News Tonight theme

Score Productions - World News Tonight headline cue