Let's say music is needed for only 43 seconds of film. You have to score it so it is an entity, so it won't bother anyone when it ends so quickly. Or if a song runs 2 minutes and 45 seconds, but the titles run a minute longer, you have to arrange that song so it doesn't get repetitious.
“The standing orders of the Parliamentary Party, however, apply to me, apply to every other Member of the Parliamentary Labour Party and they put into a context the way in which those rights to freedom of speech should be exercised.”
“The Cold War went on for so long that it bred a kind of worldwide military establishment. Even when budgets went down in the early and mid-nineties, it didn't really affect it.”