Hammer the Em in a rhythm.  

Verse 1
Em
The Lamb, He is a shepherd he whispers in my ear
Drinking from his fountain with him I have no fear
C        G      D/Dsus4/D      C       G       D/Dsus4/D
Standing at the crossroads he says go left or right
   C        G         D/Dsus4/D       C     Gmaj13 Em
He knows my name writ in his book he calls it in the night

Verse 2
Em
The Lamb, He is a lion a prophet priest and king
Four and twenty elders and living creatures sing
    C      G    D/Dsus4/D  C        G      D/Dsus4/D
His nation is peculiar    children of the light
C          G       D/Dsus4/D               C    Gmaj13   Em
Beasts and dragons whores and demons none stand before his might

Verse 3
Em
The Lamb, He is the doorway, the river tree of life
No man enters by power or might, with envy or strife
          C          G        D/Dsus4/D    C      G      D/Dsus4/D
He is the light, the land and sea;     He is our all in all
    C    G       D/Dsus4/D         C         Gmaj13   Em
Our Help Meet in time of need; He raised up us from the fall

Verse 4
Em
The Lamb, He is a bridegroom His bride is dressed in white
Darkness flees before her for He has become her light
    C        G          D/Dsus4/D              C   G       D/Dsus4/D
She died His death, was pulled from his side, wearing His wool
    C        G         D/Dsus4/D    C     Gmaj13  Em
The Lamb, to her He is Love and forever  He will   rule

(Ending…)

  C  Gsus4/G   D
Behold,      the Lamb
  C      Gsus4/G  D
Behold, the Lamb of God
    C      G2      D
The Lamb, the Lion of Judah
  C  Gmaj13 Em
Behold, the Lamb

(Repeat Ending)