Taylor's lyrics evoke the somber emotions of someone being suddenly confronted by the harsh reality of a life and death situation.
"Yesterday we were just children / Playing soldier just pretending / Dreaming dreams with happy endings," she sang. "In backyards, waging battles with the wooden swords / But now we've stepped into a cruel world / Where everybody stands and keeps score."
Click the video for more. The single will be released March 20. The Hunger Games hits theaters March 23.