from the HCDR cd by COB I think it is 90% accurate

Tuning:
Whole step down -> D G C F A D

Keyboard intro (4 x)
e|-19-15---18-14---17-13---16-12---------------------------------------------|
B|---------------------------------------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|---------------------------------------------------------------------------|

Riff 1 (no vocals) (2x)
e|----------------------------------------------------------------------------|
B|----------------------------------------------------------------------------|
G|----------------------------------------------------------------------------|
D|-8/9--8-9----------8/9--8/9----------8/9--8/9-------------------------------|
A|-6/7--6/7----------6/7--6/7----------6/7--6/7----------------7--10----------|
E|-----------0-0-0-0-----------0-0-0-0-----------0-0-0-0-------5--8-----------|

e|-----------------------------------------------------------------------|
B|-----------------------------------------------------------------------|
G|-------------------------------------------------9--7------------------|
D|-8/9--8-9----------8/9--8/9----------8/9--8/9----7--5------------------|
A|-6/7--6/7----------6/7--6/7----------6/7--6/7--------------------------|
E|-----------0-0-0-0-----------0-0-0-0-----------0-0-0-0-------5--8------|

Riff 2 with vocals

e|----------------------------------------------------------------------------|
B|----------------------------------------------------------------------------|
G|----------------------------------------------------------------------------|
D|-8/9--8-9----------8/9--8/9----------8/9--8/9-------------------------------|
A|-6/7--6/7----------6/7--6/7----------6/7--6/7----------------7--10----------|
E|-----------0-0-0-0-----------0-0-0-0-----------0-0-0-0-------5--8-----------|

e|----------------------------------------------------------------------------|
B|----------------------------------------------------------------------------|
G|----------------------------------------------------------------------------|
D|-8/9--8-9----------8/9--8/9----------8/9--8/9-------------------------------|
A|-6/7--6/7----------6/7--6/7----------6/7--6/7--2-2-2-2----------------------|
E|-----------0-0-0-0-----------0-0-0-0-----------0-0-0-0----------------------|