The game will tell the name of the world start that is loaded before you start, if it's "default world state" then it's exactly what it sounds like and you did not import a custom world state.

"Dr. King said that men should be judged by the content of their character....unless that man is gay, then ew."

-Torii Hunter

The soundtrack is being made by Jim Guthrie. His music is fucking amazing, so you shut your whore mouth and go back to pretending you're not a Sony troll.