Wikipedia entry on American Pie. Wow, I didn’t realize the lyrics were so carefully chosen.
The song managed to give an accurate account of the film, even though the song was written before the film was released. Yankovic says that he wrote the song based on information from Internet spoilers. McLean not only approved the song, but he has also since said that his children have played it so much that he has a tendency to accidentally sing Yankovic’s lyrics when performing “American Pie” in concert