According to singer Bruce Dickinson, who wrote the lyrics: "The song is about being born. Until you come out, nobody knows who you are. As soon as you pop out into the world, you're king for a day."
"Friends In Low Places" by Garth Brooks was written by two Nashville songwriters after a meal in a local restaurant. One of them forgot his money, but said not to worry, "I have friends in low places. I know the cook."
Who writes a song about a name they found in a phone book? That's just one of the everyday things these guys find to sing about. Anything in their field of vision or general scope of knowledge is fair game. If you cross paths with them, so are you.