Wow, I thought the rest were hard... But this one is extremely tricky!! *pause for long thought* Stuff changes so easily, so the songs that decribe me do also.
So many songs!! But probably... Run (Amy Macdonald). Just because I won't let anyone else limit me, and I want to experience everything possible!
Run: http://www.youtube.com/watch?v=MlMuujtZ5dU