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)------|