Ok, I'm creating a story, and it has songs in it. I already putted a few songs, but I don't know which one to put now. Which one

Ok... It's about Sarah fighting a Zombie Apocalypse, saving the world form them, then in the Hero Awards she didn't win, so she turned evil. She's also really sad about her mother's death.

First off you should probably give context to what the story is about so people can make a better decision.