My most underrated song? Well, it was a very popular song, but I don't know too many people in my generation or on this board appreciating it. It really touches me, though, and would make my top 5 songs of all time.
Bye bye, Miss American Pie
Drove my Chevy to the levy but the levy was dry
Them good ol' boys were drinking whiskey and rye
Singing "This'll be the day that I die, this'll be the day that I die..."