I used CowManJones' version and added and changed some Chords.
It should sound quite good, although I can't comletely guarantee for accuracy.
The G-D-Em-part in the verse could also be C-D-Em
The original song seems to be played like this in Half-Step-Down-Tuning.  
Have fun :)



  Intro like one Verse


Verse 1:

Em                                               D
All my life, I've waited and watched through the eyes of faith
   Em                     G D Em
To see the consolation of Israel
Em                                          D
And even though the flame of my life is now growing dim
  Em                          G D Em
I know I'll see the Savior of Israel
        G                      D
For the Spirit of the Lord has promised unto me
     G                               G         D    Em
That I would not see death before my eyes have seen Him
    G                     D
The promise is alive, for through this little child
      G                        G D Em
God's holy light illuminates Jerusalem



>>Interlude like one Verse<<


Verse 2:

     Em                                         D
This child will cause the falling and rising of many souls
  Em                         G D Em
A sign for all the people of Israel
     Em                                      D
This child will be the way and the life unto every soul
   Em                         G  D     Em
To every generation shall the Gentiles tell
        G
For the way has been prepared
       D
in the sight of every man
    G                             G   D Em
The Son of God Himself is born in Bethlehem
  G                        D
A sacrifice is made in the temple on this day
  G                             G D Em
Redemption reaches far beyond Jerusalem


Chorus 1:

Em G              D                   Em
O Bethlehem, your star burns bright tonight
       C                  Bm          C             D
For my eyes have seen the glory of salvation's holy light
         G                 D            Em
Has this little child come to redeem us all?
                    C
To save us from the fall
  Bm             C
Redemption is in sight
  D                    C
Behold, the Son shines bright
      D           Em
Under Bethlehem's star tonight



Solo:
C Em C Em D x2


Chorus 2:

Em G              D                    Em
O Bethlehem, your star burns bright tonight
       C                  Bm          C             D
For my eyes have seen the glory of salvation's holy light
         G                 D            Em
Has this little child come to redeem us all?
                    C
To save us from the fall
  Bm             C
Redemption is in sight
  D                    C
Behold, the Son shines bright
   D           G
In Bethlehem tonight


Chorus 3:

G A               E                    F#m
O Bethlehem, your star burns bright tonight
       D                  C#m         D             E
For my eyes have seen the glory of salvation's holy light
         A                 E            F#m
Has this little child come to redeem us all?
                    D
To save us from the fall
  C#m            D
Redemption is in sight
  E                    D
Behold, the Son shines bright
   E           A
In Bethlehem tonight


Chorus 3 is played three times, but the G in the beginning is only used for the 
first time. For the last two times of it you can add these Backing Vocals:


A                               E
When all the world was sleeping deep in darkness
F#m                     
A child in Bethlehem fulfilled the promise
D                         C#m
The ancients prophesied a great deliverer
D                             E                             
The one to break the curse of sin forever
A                       E
He didn't come with any worldly fanfare
F#m
No royal treatment, just a dark cross to bear
D                        C#m
In Bethlehem a brand new dawn is rising
D                           E
A star to guide the way, forever shining
D                            E
New hope was born for all creation that night
A 
For though the darkness came the brightest light