The 1987 film "Bagdad Café" had an extraordinary trajectory.

It was made on a dare, and independently before indie films were all the rage.

It was a low budget movie by a German filmmaker who was then virtually unknown in the United States.

But the quirky and surreal story of a Bavarian tourist stumbling on a Mojave truck-stop, put the film on the world map.

It became an instant hit, especially in Europe.

One thing got even bigger than the film though: its theme song, "Calling you."

The World's Adeline Sire has the story about a song that keeps on going...