I don't know the song but these sound close enough to get you into the ballpark.  I think it would sound pretty good on a keyboard with an orchestra or string ensemble sound for the first half of the song.
http://www.ultimate-guitar.com/tabs/a/all-american_rejects/cant_take_it_crd.htmEm  C  Am7  D  X2
Em             C
  You speak to me
  Am7               D
I know this will be temporary
Em           C
  You ask to leave
    Am7              D              Em
But I can't tell you that I've had enough
        D/A
I can't take it
     C                   D                 Em
This welcome is gone and I've waited long enough
   D/A
To make it
    C                       D                         C
And if you're so strong you might as well just do it alone
D
  And I'll watch you go
Em  C  Am7  D
Em           C
  Step up to me
  Am7                  D
I know that you've got something buried
Em             C
  I'll set you free
    Am7            D             Em
You set conditions but I've had enough        
        D/A
I can't take it
     C                   D                 Em
This welcome is gone and I've waited long enough
   D/A
To make it
    C                       D                         C
And if you're so strong you might as well just do it alone
D
  And I'll watch you go
Am        C                        G
Come back home won't you come back home
            D                        Am
You step in line you've got a lot to prove
             C                    G
It comes and goes ya it comes and goes
          D                     Am
A step in time ya it's a lot to move
                    Bm
I know this will be temporary
  Am                D
I know this will be temporary
  Am
I know this will be 
D             Em
But I've had enough
        D/A
I can't take it
     C                   D                 Em
This welcome is gone and I've waited long enough
   D/A
To make it
    C                       D                         C
And if you're so strong you might as well just do it alone
D                    Em
  And I'll watch you go
        D/A
I can't take it
     C                   D                 Em
This welcome is gone and I've waited long enough
   D/A
To make it
    C                       D                         C
And if you're so strong you might as well just do it alone
D
  And I'll watch you go