INTRO:
--------------2--0-0-0-0-0-0-----------------2-0-0-0-0-0-0-----------|
------------3----1-1-1-1-1-1---------------3---1-1-1-1-1-1-----------|
------0---2------0-0-0-0-0-0---------0---2-----2-2-2-2-2-2-----------|
----0---0--------2-2-2-2-2-2-------0---0-------2-2-2-2-2-2-----------|
--2--------------3-3-3-3-3-3-----2-------------0-0-0-0-0-0-----------|
3------------------------------3-------------------------------------|

{G //   D //  C //  } 2x
{G //   D //  Am7 //} 2x 

VERSE 1:
G    D                    C / / //  G
Mama Take this badge from me
G       D         Am7 / / //  G
I can't use it anymore
G            D               C / / //  G
It's getting dark to dark to see
G              D                   Am7 / / //
Feels like I'm knocking on heavens door

CHORUS:
G G     G     D                  C
  Knock Knock Knockin on Heavens door
G G     G     D                  Am
  Knock Knock Knockin on Heavens door
G G     G     D                  Am7
  Knock Knock Knockin on Heavens door
G G     G     D                  C
  Knock Knock Knockin on Heavens door

VERSE 2:
G    D                   C / / //  G
Mama put my guns in the ground
G       D             Am7 / / //  G
I can't shoot them anymore
G               D               C / / //  G
That long black cloud is coming down
G              D                   Am7 / / //
Feels like I'm knocking on heavens door

CHORUS:
G G     G     D                  C
  Knock Knock Knockin on Heavens door
G G     G     D                  Am
  Knock Knock Knockin on Heavens door
G G     G     D                  Am7
  Knock Knock Knockin on Heavens door
G G     G     D                  C
  Knock Knock Knockin on Heavens door

REPEAT CHORUS
REPEAT INTRO (second part only) 

 Knockin on heavens door - Bob Dylan

G        D             Am
  Ooh, ooh, ooh, ooh~
G        D             C    C D
  Ooh, ooh, ooh, ooh~
            G                      D                  Am
              Ma, take this badge off of me
            G          D              C
              I can't use it anymore
            G                 D                          Am
              It's gettin' dark, too dark to see
            G             D                                   C     C D
              Feel I'm knocking on heaven's door

                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door

              Ma, take these guns away from me
              I can't shoot them anymore
              That long black cloud's following me
              I think I'm knocking on heaven's door

                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                                      *Solo*   (verse & chorus)

              Ma, wipe these tears from my eyes
              I won't shed them anymore
              There's a long black cloud comin' down on me
              I must be knockin' on heaven's door

                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                          Knock, knock, knockin' on heaven's door
                                 Ooh, ooh, ooh, ooh
                                  Ooh, ooh, ooh, ooh... 

 vs. 1

G           D                Am
Momma take this badge off of me,
G           D            C
Cuz I cant use it any more,
G           D              Am
It's gettin' dark, to dark to see,
G           D               C
Feels i'm knockin' on heaven's door,


Chorus
G               D                Am
knock knock knockin' on heavens door,
G               D                Am
knock knock knockin' on heavens door,
(repeat 2 more times)

vs. 2

G            D              Am
Momma put my guns in the ground,
G            D              C
Cuz i cant shoot them any more,
G            D              Am
That long dark cloud is comin' down,
G            D               C
Feels i'm knockin' on heaven's door

Chorus
(fades out in chorus)

notes:
on the C hold the high E string down after hitting C 2 times,
he does it on the greatest hits album. do nothing to the Am
or you will screw up the song. tell me if there is anything i missed.