Riff 1
At the beginning all is palm muted
After 4 times release palm mute on 6 and 7 fret
And then slowly release palm mute on open strings
E-----------------------------------|
B-----------------------------------|
G-----------------------------------|
D--6-0-0-6-0-0-6-0-7-0-0-7-0-0-7-0--|
A-----------------------------------|
E-----------------------------------|

Riff 2
E----------------------|
B--1--1---1-2---2---2--|
G--0--0---0-0---0---0--|
D----------------------|
A----------------------|
E----------------------|

Riff 3
E-----------------------|
B-----------------------|
G--5------5-5--(b9)-------|
D--5------5-5--(b9)-------|
A--3------3-3--7--------|
E-----------------------|

End with
E-----
B-----
G-----
D--6--
A-----
E-----

Riff 1 x8
Riff 2 x8
Riff 3 x1
Riff 1 x2
Riff 3 x1
Riff 1 x8
Solo (Riff 2 x8)
Riff 3 x1
Riff 1 x2
Riff 3 x1
Riff 1 x3
End