“Fight Song” singer Rachel Platten, whose debut album, Wildfire, is out Jan. 1, took some time ahead of her upcoming Wildfire Tour to share 25 fun facts about herself with Us Weekly.1. I can beatbox. Well, sort of. I have one beat that I can do, but people get fooled.2. I used to freestyle rap with my guy friends in high school.3. I love playing sports. I'm overly eager and aggressive and not very skilled so it leads to many small injuries.4. I have a small scar on my right butt cheek from such an ...