Sometimes you can't write a melody...
...that is both good, short, and does not accidentally quote something.
I have noticed that when a plane has parked, they almost always sound a signal like this on the speakers:
I am strongly tempted to whistle the completion, so that the full melody would go like this:
This far I've never done that.
[Monday, Jan 09, 2006 @ 23:31] |  | # | G