Lyrics:

Mama, take this badge off o'' me**lf**I can''t use it anymore**lf**It''s gettin'' dark, too dark to see**lf**I feel I''m knockin'' on Heaven''s door**lf****lf**Knock, knock, knockin'' on Heaven''s door**lf**Knock, knock, knockin'' on Heaven''s door**lf**Knock, knock, knockin'' on Heaven''s door**lf**Knock, knock, knockin'' on Heaven''s door**lf****lf**Mama, put my guns in the ground**lf**I can''t shoot them anymore**lf**That long black cloud is comin'' down**lf**I feel I''m knockin'' on Heaven''s door**lf****lf**Knock, knock, knockin'' on Heaven''s door**lf**Knock, knock, knockin'' on Heaven''s door**lf**Knock, knock, knockin'' on Heaven''s door**lf**Knock, knock, knockin'' on Heaven''s door