I love the new version of Summer Girl from Maggie Stiefvater's Wolves of Mercy Falls trilogy. This one is performed by Sulaiman Azimi. I made the above album art, because that's just what I do :) and I wanted a more Shiver-y look to pop up when I am playing the song. You can find the song on iTunes here, go check it out!
Here he is playing at one of the Forever events: