E|E|------------------------------------------------------------------------------------------------||

This is the bass riff, which is played throughout the entire song. Guitar 1 plays the same thing, 
but with power chords:

E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|--7-7-7-X-7-7-7-X-7-7-7-7--7-7-7--|
E|----------------------------------|

Variation:

E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|--5-7-7-X-5-7-7-X-5-7-7-7--7-7-7--|
E|----------------------------------|

Guitar 2 plays this riff a few times throughout the song:

E|----------------------------------|
B|----------------------------------|
G|------11-11------------9-9--------|
D|--7-9--------------7-9------------|
A|----------------------------------|
E|----------------------------------|