Tuning: 
G
D
A
E

Wait until the guitar has played the intro riff once and then play

Intro
G—————————————————
D—————————————————
A——3/567——————————
E—5——————3——5—5———
(repeat as often is necessary)

Verse
G—————————————————
D—————————————————
A———————5——5——5———
E—5/7/5——5——5——5/—

Bridge
G—————————————————
D—————————————————             (play twice)
A——5/7—8—9——————————
E—7——————5—7—7————

G—————————————————
D—————————————————
A——7/91011————————             (play twice) 
E—9——————7—9—9———

G—————————————————
D—————————————————             (play twice, then go back to the 5th fret A, D notes)
A——3/567——————————
E—5——————3——5—5———

Go back to the intro riff