Feel free to pluck around the chords

Intro - repeat -: G - D  C
 
Verse:
G                 D            Am7
   Mama take this badge off of me
G          D          C
   I can't use it any-more
G              D                        Am7
  It's getting dark, too dark for me to see
G            D                   C   - D  -
  I feel I'm knockin on heaven's door   
 
Chorus:
G                D                    Am7
   Knock, knock, knockin' on heaven's door
G                D                    C   - D  -
   Knock, knock, knockin' on heaven's door   
G                D                    Am7
   Knock, knock, knockin' on heaven's door
G                D                    C   - D  -
   Knock, knock, knockin' on heaven's door   
 
Verse:
G              D           Am7
   Mama put my guns in the ground
G          D              C
   I can't shoot them any-more
G                 D               Am7
  That long black cloud is comin' down
G            D                    C   - D  -
  I feel I'm knockin' on heaven's door   
 
Chorus:
G                D                    Am7
   Knock, knock, knockin' on heaven's door
G                D                    C   - D  -
   Knock, knock, knockin' on heaven's door   
G                D                    Am7
   Knock, knock, knockin' on heaven's door
G                D                    C   - D  -
   Knock, knock, knockin' on heaven's door   

Outro - repeat and fade -:
G    D    Am7          - G  -
Oo - oo - oo - oo