Lots going on in this song, this is just the basic chords.  Improv the licks, improve on 
A for the verses, and have fun.

(verse)                 A
I wanna sing a song for you, Lord

and Lord for you I want to sing a song

And I want to lift my voice to Heaven

And listen to the angels sing along

(Chorus)        D
A song of your faithfulness
               A
A song of your grace
                   E
And of your loving kindness
                     A
To the glory of your name
                       D
With everything that's in me, Lord
             F#m
Listen to me say
                 E
I want to sing a song for You
  D            A
I wanna sing a song

A
(Lick break 2x)

A
I wanna live my life for You, Lord

Lord, for You I wanna live my life

And I want to praise the name of Jesus

And Pray above all things You?re glorified

(Chorus)        D
A song of your faithfulness
               A
A song of your grace
                   E
And of your loving kindness
                     A
To the glory of your name
                       D
With everything that's in me, Lord
             F#m
Listen to me say
                 E
I want to sing a song for You
  D            A
I wanna sing a song

A
(more licks 3x)
(short lick alone break 1x)

A (improv stuff)
And I sing about Your mercy

And I sing about Your love

Your goodness, Lord, Your righteousness

I want to sing

(Chorus)        D
A song of your faithfulness
               A
A song of your grace
                   E
And of your loving kindness
                     A
To the glory of your name
                       D
With everything that's in me, Lord
             F#m
Listen to me say
                 E
I want to sing a song for You
  D            A
I wanna sing a song

               D
A song of your faithfulness
               A
Nooo
                   E
And of your loving kindness
                     A
To the glory of your name
                       D
With everything that's in me, Lord
             F#m
Listen to me say
                 E
I want to sing a song for You
  D            A
I wanna sing a song
A
(Lick break 2x)

                A
And we?ll sing, Holy, holy, holy
            F#m
We?ll sing, Holy, holy, holy
             E
We?ll shout, Holy, holy
    D           A
are You, Lord almighty
A
And we?ll sing, Holy, holy, holy
            F#m
We?ll shout, Holy, holy, holy
             E
We?ll sing, Holy, holy
  D                  A
are You, Lord almighty
A
(lick 2x)

A
Holy, holy, holy
            F#m
We?ll sing yeah
                      E
We lift our voices up
  D                  A
are You, Lord almighty
A (2x same time as lick break)
yeah

(repeat above until fade out)