CAPO ON 4 
taken from her acoustic version here which is in a different key then the album one:
http://www.youtube.com/watch?v=ieHZRcWJWHs&feature=watch_response_rev

G:                      C2:                 C:
|3|2|0|0|3|3|           |5|5|4|0|2|x|       |3|3|2|0|1|0|

Em:                     Gm:
|0|2|2|0|0|0|           |0|3|2|0|3|3|

*palm muted

                *G                               *C2
Don't think too hard, if you think it hurts that bad
                *Em                       *C
Don't talk about it, don't let it get you down
              *G              *C2
It's only one part, of the story
            *Em                        *C   *C2
Just let it go, don't let it bring you down now.

G                            Gm
Sing the last thing on your mind
                      G
The last word on your breath
                   C2                          G
I'll be the one to keep you, keep you at your best
                        Gm
The last thing on your mind
                          G
'Cause I don't need your mess
                    C2                  *Em (stop)
I'll be the one to keep you one disaster less

                   *G                  *C2
Straighten up your tie, take the microphone
             *Em                       *C
Forget about it, don't let it get you down
*C     *C2     *G                    *C2
Now is not the time, and you're not alone
              *Em                      *C   *C2
Shut up about it, no one can bring you down now

G                            Gm
Sing the last thing on your mind
                      G
The last word on your breath
                   C2                          G
I'll be the one to keep you, keep you at your best
                        Gm
The last thing on your mind
                          G
'Cause I don't need your mess
                    C2                   Em      G
I'll be the one to keep you one disaster less
 
G        Em     C      G
I'll be okaaaaaaaaay
        C2
I'll be okay
 
          G (one strum)               Gm (one strum)
If you'll sing the last thing on your mind
                      G (one strum)
The last word on your breath
                   C2 (one strum)         C (one strum)
I'll be the one to keep you, one disaster less 


(: