Riff 1
G:------------------
D:------------------
A:--5--3------------
E:---------3--5-----

Riff 2
G:-----------------------------
D:-----------------------------
A:--1-----1------5-----5-------
E:-----3-----3------3-----1--3-

Riff 3
G:---------------------------
D:---------------------------
A:--1-----1------5-----5-----
E:-----3-----3------3--------

Riff 4
G:---------------------
D:---------------------
A:-----5-----1---------
E:--5-----3-----0--5---

Order:
Riff 1 x 8 (4 Times as Intro and 4 times for the first Verse)
Riff 2 x 2
Riff 1 x 4
Riff 3 x 2
Riff 4 x 4
Riff 1 x 4
Riff 3 x 2
Riff 1 x 4 (During the Guitar Solo)
Riff 3 x 2
Riff 4 x 4
Riff 1 x 4
Riff 2 x 2

I think it's right. Try it and don't forget to rate this tab.
Moe69 (moritz_stueber@web.de)