I'm sure the names of the Drop C chords are off, but I just labeled them that way 
so both standard and Drop C match up.

Drop C:
G: x02200
Cadd9: 000230
D: 222100
Em7: 444200
Dadd4: Not too sure, but the sixth string is probably the 6th fret
(Credit to MrCameroncotham of Youtube for these)

Standard
G: 320033
Cadd9: x32033
D: xx0232
Em7: 022033
Dadd4: 200233

G (320003@1)      
Let's get to the point and all take our tongues out
                     Cadd9And (x32030@1)not show off our scars not leave here with doubts that
G (320003@1)                                    D (xx0232@1)Things in life well they could've been easier
                       Em7
And let's make sure we fought for all that we leave with
                  Cadd9And (x32030@1)lessons we're taught make sure we believe them
             G (320003@1)                                          DAnd (xx0232@1)promises kept all turn into secrets we'll keep to our graves

Get down on your knees when

Pre-Chorus:
         Cadd9 (x32030@1)       G (320003@1)               DYou (xx0232@1)feel sure the path ahead is about to end

You can never stop or you don't exist
          Cadd9 (x32030@1)           GIf (320003@1)you've walked your shoes away
          DThen (xx0232@1)just stop here awhile and just sit here with me and just

Chorus:
Cadd9 G
Hold On
              D (xx0232@1)  Em7
Tell me we'll hold on
Cadd9
To today
GTo (320003@1)tonight
DTo (xx0232@1)the morning
         Cadd9G 
And just hold on
          D (xx0232@1)  Dadd4Em7
Tell me we'll hold on
Cadd9
Cause you feel
GCause (320003@1)you breathe
DCause (xx0232@1)when hurting
We are worth it
We can hold on

Interlude: G

GAnd (320003@1)we've all seen the road

That we all walked to get here
                    Cadd9It's (x32030@1)lined with the stones that we cast in our youth
                     GMay (320003@1)they glow like a coal

And keep passion inside us
                 DReminding (xx0232@1)though young and in love we're all fools
                     EmBut (022000@1)the time that we spent

In arms and in longing
                Cadd9Can (x32030@1)rewrite the pages our fathers left here
                  GFrom (320003@1)a passage of hope and an act of conviction
            DTo (xx0232@1)letters unsigned and unsent out of fear

Pre-Chorus:
          Cadd9 (x32030@1)       G (320003@1)               DYou're (xx0232@1)so sure the path ahead is about to end
         Cadd9 (x32030@1)        GWill (320003@1)you throw this all away
        DOr (xx0232@1)keep pace with a stride that stays even with mine
And we'll

Solo: Cadd9 G D Dadd4 Em C G D (Same timing as second half of chorus)

Ending Chorus: Cadd9 G D Dadd4 Em C G D (Same Again)