Main Riff

G --------------|----------------|--------------|----------------|
D 0---0--/7-5-7-|0---0-----------|0---0--/2-5-2-|0---0-----------|
A --------------|--------0-3-5-3-|--------------|--------0-3-5-3-|
E --------------|----------------|--------------|----------------|

The first two bars are often played twice or even three times in a row, just listen to 
out what happens.

Pre-second riff

G --------------|----------------|
D 0---0--/7-5-7-|0---0-----------|
A --------------|--------0-3-5-3-|
E --------------|----------------|

Second Riff

G -----------------|-----------------|
D -----------------|-----------------|
A 5---5-3-3-5-5-5-0|-----------------|
E -----------------|X--X-X--X-0-3-5-3|

G -----------------|-----------------|
D -----------------|-----------------|
A 5---5-3-3-5-5-5-0|-----------------|
E -----------------|X--X-X--X-/7-5-7-|

Tabbed by Smellyjosh