h: hammer on
*: palm mute
b: bend

Riff 1
|-11-9-8--11-10-8--12-11-9-8-|
|----------------------------|
|----------------------------|
|----------------------------|
|----------------------------|
|----------------------------|
Ok, so I'm not too sure about this high pitched bit, but hey, 
I'm only human.

Riff 2
|--------------------------|
|--------------------------|
|--------------------------|
|--------------------------|
|-7--5-4-3-2---------------|
|-5--3-2-1-0---------------|
Comes in when first bit has been played about three times.

Riff 3
|--------------------------|
|--------------------------|
|--------------------------|
|--------------------------|
|-2-3-5-7-8----------------|
|-0-1-3-5-6----------------|
Basically, this is the ending of riff 2.

Riff 4, main riff
|----------------------------|
|----------------------------|
|----------------------------|
|-------9----9----9----9-----|
|-0h5h8-7----7----7----7-----|
|---------00---00---00-------|
          **   **   **
This bit first then 4a. Endings are the same.

Riff 4a
|---------------------------|
|---------------------------|
|---------------------------|
|-------9-----9-----9-----9-|
|-0h5h8-7-----7-----7-----7-|
|---------000---000---000---|
          ***   ***   ***
first ending
|--------------------------|
|--------------------------|
|--------------------------|
|--------------------------|
|-8b-----------------------|
|--------------------------|

second ending
|--------------------------|
|--------------------------|
|--------------------------|
|-7------------------------|
|-5-8----------------------|
|---6----------------------|

Riff 5
|--------------------------|
|--------------------------|
|-------------10-----------|
|-7-9-10---10----10--------|
|-5-7-8--------------------|
|--------------------------|

first ending
|--------------------------|
|--------------------------|
|--------------------------|
|--------------------------|
|-8-7-5--------------------|
|-6-5-3--------------------|

second ending
|--------------------------|
|--------------------------|
|--------------------------|
|--------------------------|
|-5-7-8----8--8--8---------|
|-3-5-6----6--6--6---------|

repeat riff 4
repeat riff 5

Riff 6
|--------------------------|
|--------------------------|
|--------------------------|
|----2---------------------|
|-2----2-1-xx-2------------|
|-0--------xx-0------------|
Over this the second guitar plays this bit I think one octave higher.

Riff 7
|----------------------------|
|----------------------------|
|-4-7-5-9-7-10---------------|
|-2-5-3-7-5-8----------------|
|----------------------------|
|----------------------------|
One guitar plays this while other does solo-ish bit.

Repeat riff 4
Repeat riff 5
Repeat riff 4
But the ending of riff 4 here sometimes becomes this:
|--------------------------|
|--------------------------|
|--------------------------|
|--------------------------|
|-10-----------------------|
|--------------------------|

i did not write this tab!