D - some variations, all i got was D4 ...  
INTRO: D D4 D    ( and in other instrumental parts too)

D
 I am a troubled mind, I am a calloused heart
D                                                                  G
A failing engine from driving way too hard
                              D
Trying way too hard
D
I pulled a 38 out of my bleeding heart
D                                                                          G
I killed my selfishness for bringing me this far
                                      D
This far away from you 
 
                         A                                               G                 D
When the daylight breaks through the buildings of Chicago ( ohh -oh- oh)
               A                            G                              D               A
I will stand alone in the valley of tomorrow       ( ohh -oh- oh)

D                         G                             A
Oh, this is the way I wanna go down
                                                                               D
(This is the last time) I'm starting over with you
                      G                        A
This is the way I wanna go out

D
I never second guessed the little voice I heard
  D                                                                   G
It's just a whisper, that sounded like a scream
                                    D
I ain't never felt so free

                          A                                               G                      D
When the daylight breaks through the buildings of Chicago   (ohh-oh-oh)
              A                            G                              D                      A
I will stand alone in the valley of tomorrow         ohh-oh-oh 

D                         G                             A
Oh, this is the way I wanna go down
                                                                               D
(This is the last time) I'm starting over with you
                       G                        A
This is the way I wanna go out
                 
(This is the last time) I'm starting over with you


D
I never second-guessed the little voice I heard

It's just a whisper