On the album, I'm pretty sure there's a capo on the first fret (or just a half 
step up, if you're against capos), in case you want it accurate. :) God bless!

Intro:
A                        D  A/C# A D
Bigger Than My Imagination

Verse 1:
A                  E/G#
Great are You Lord
     F#m            A/C#
Your glory and power
       A/C#             D(9)
Make the greatest kings pale
           A/C#
The biggest things small
             Bm11   E/G#
The heart in me sail

Verse 2:
A                 E/G#
Great are You Lord
     F#m            A/C#
Your glory and power
                 D
Make the nations bow down
              A/C#
The mountains tremble
            Bm11     E
The heavens sing out

Pre-Chorus:
F#m   E/G#
Great are
A    Bm11
You, Lord

Chorus:
A                           D
You're bigger than my imagination
       A                    D
You're Larger than a world of dreams
      F#m                          D
You're greater than the sum of all love Lord
Bm                   E
You're everything to me
                A  D
Everything to me

Bridge:
D     E/D  D
Great are You
D     E/D  D
Great are You
D     E/D  D   E/D
Great are You Lord