This song is in dropped D. When i play it, it sounds pretty close,
but you can decide for yourself.

e|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|x2
D|------------------------------------------------|
A|---------1---------------2----------------------|
D|-1---------------1------------------------------|
             *pick slide on the D string after you play that riff*
e|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|
D|------------------------------------------------|
A|-4----2------------2/1--------------------------|
D|-----------6\8------------4\6-------------------|

e|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|x2
D|------------------------------------------------|
A|---------1---------------2----------------------|
D|-1---------------1------------------------------|
             *pick slide on the D string after you play that riff*

e|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|
D|------------------------------------------------|
A|-4----2------------2/1--------------------------|
D|-----------6\8------------4\6-------------------|

e|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|
D|------------------------------------------------|
A|------------------------------------------------|
D|-6-----4-----3-----1----------------------------|