Tono: G
Introducción: G D Am G D C G D Am G D C
G D Am
Mama, take this badge off of me
G D C
Cause I can' t use it anymore
G D Am
It' s getting dark, too dark to see
G D C
I feel like I' m knocking on heaven' s door
G D Am
Knock, knock, knocking on heaven' s door
G D C
Knock, knock, knocking on heaven' s door
G D Am
Knock, knock, knocking on heaven' s door
G D C
Knock, knock, knocking on heaven' s door
G D Am
Mama, put that gun to the ground
G D C
I can' t shoot them anymore
G D Am
There' s a long black cloud coming on down
G D C
I feel like I' m knocking on heaven' s door
G D Am
Knock, knock, knocking on heaven' s door
G D C
Knock, knock, knocking on heaven' s door
G D Am
Knock, knock, knocking on heaven' s door
G D C
Knock, knock, knocking on heaven' s door