It has long been speculated that the Soundgarden song "Black Hole Sun" came from the name of a sculpture in Seattle, but according to their frontman Chris Cornell the title came from a phrase he misheard on the news. The band's name did come from a sculpture.
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.