Well this is pretty much the high-note voice in the background during the entire song.
It's all on the first string sooooo.... It's pretty easy.
[ Tab from: http://www.guitaretab.com/p/passion-pit/279825.html ]
e)-12--14-12-11--12-11--9-11-9--7-4------------|
A)---------------------------------------------|
D)---------------------------------------------|
G)---------------------------------------------|
B)---------------------------------------------|
E)---------------------------------------------|
And that's that. My first tab. Well, comment and stuff. Bye.
