All the choices I expected.

Well, except Skyscraper. I thought maybe Give Your Heart A Break since it was her biggest radio single, or maybe Heart Attack since it peaked the highest - but it's definitely a great choice.
Skyscraper is the weakest song of the 4 for me, actually, but honestly that entry just wowed me and the amount of time to put to compile all of those news stories and everything was probably a long time. Not to mention that just doing that alone and making a little timeline for us all really explained the song where a paragraph wasn't really needed and as Jake said, it killed me.
K$Ellie, I'm sure you already hate me with all these votes but I have to do it again...

Lights is my 3rd favorite/2nd weakest of the top 4.
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Lights