The music on almost every jukebox happens to be Willie Nelson, whose song "Across the Borderline" becomes the movie's unofficial theme.

It has since been used as an unofficial theme for the Kentucky Derby.

The unofficial theme of the 1980 convention was "Eliminate Hazing."

The unofficial theme for next year's event in New York City (17 to 19 February, 1994) may well be 'Art History and Unemployment'.

Although Iraq is not on the official agenda, it is the unofficial theme of the whole weekend.

The unofficial theme of the popula...

These conditions have led to the unofficial theme of this conference, "How to Do More with Less."

The Canal House restaurant also oozed style, capturing what seemed the hotel's unofficial theme, Miss Haversham meets techno SoHo.

The song is also widely used in many videos and events as an unofficial theme for the pharmaceutical company GlaxoSmithKline.

After its publication, it quickly became known as an "unofficial theme of the Forty-Niners", with new lyrics about traveling to California with a "washpan on my knee".