The tunning is drop D.

A.(play twice for intro, then twice after intro)
e------------------------------------------------------------|
B-----3------2------0----------------------------------------|
G----0------0------0------0-2-----0-2----0-2----0-2----0-2---|
D---4------0------0------0-------0------0------4------4------|
A--0------4------2------0-------0------2------0------0-------|
D-0------0------0------0-------2------0------0------0--------|
                  (end here on intro and end of song^)

B.(play once after A.)
e------------------------------------------------------------|
B------------------------------------------------------------|
G----0-2----0-2----0-2----0-2----0-2----0-2----0-2----0-2----|
D---0------0------4------0------0------0------4------4-------|
A--2------4------5------4------2------4------5------5--------|
D-0------0------5------4------0------0------0------5---------|

e------------------------------------------------------------|
B------------------------------------------------------------|
G----0-2----0-2----0-2---------------------------------------|
D---0------0------4------------------------------------------|
A--0------2------0-------------------------------------------|
D-2------0------0------0-------(Now play A twice again)------|