This is an awesome song (Texts of songs ) and it is very easy to learn. The key part to learn is the rythm. If you don't then it won't sound like the song (Texts of songs ). The other part plays when the lead singer screams the chorus...
Main Riff
e|------------------------------------------|
B|------------------------------------------|
G|--------------------10-10-10-X------------|
D|-12-12-X-10-10-10-X-10-10-10-X-8--8--8--X-|
A|-12-12-X-10-10-10-X-8--8--8--X-8--8--8--X-|
E|-10-10-X-8--8--8--X------------6--6--6--X-|