Tabbed by Megamaff :D
This is based from the acoustic set Ok Go did in London - 
http://www.youtube.com/watch?v=Q7TzdCImSTg

Ds can be played like this (Rough guess :/)
e----2-0-3-2------------------------------------|
b----3-0-3-3---X2-------------------------------|
g----2-0-2-2------------------------------------|
d-----------------------------------------------|
a-----------------------------------------------|
e-----------------------------------------------|

                      C                  G
You'll never get that taste, out of your mouth
D
You'll never get the paw prints, out of the hen house now
                 C                  G
And you can't go back, same way you came
D
Round all the pieces up, but they just dont fit the same
                C
White knuckles
G                       D
Maybe its not so bad
So let your hair down now
C
White knuckles
G                           D
Yeah maybe it's not so bad
Aww go ahead and let it down
                       C              G
So come and let it all out, let it bleed
D
Did you get what you want? Did you get what you need?
           C                 G
Behind the lines, behind the walls
D
Tell me whats the bet you made, was it that bad after all?

            C
White knuckles
     G                      D
Yeah maybe its not so bad
So let your hair down now

              C
White knuckles
     G                      D
Aww maybe its not so bad
Just let it all come down now

              C                 G
So just have fun, its far enough
D
Everybody needs to sleep at night, everybody needs a crutch
             C                 G
But couldnt good, be good enough?
D
Cause nothin ever doesnt change but nothin changes much

C
       G
Yeah, maybe its not so bad
D
So let your hair down now
             C
White knuckles
     G                     D
Aww maybe its not so bad
Just let it all come down now
C
     G                      D
Yeah maybe its not so bad
Just let your hair come down now
C
    G
Oh maybe its not so bad
D
Just let it all come down