E|-------------------------|
B|-------------------------|
G|-------------------------| play this 3 times then...
D|------0------------------|
A|--1-3---3-1-0------------|
E|1--------------3-1-------|

E|-------------------------------------------------------|
B|-----------------------------------------------0---0-2-|
G|-----------------------3-1-------------1-3-1---3-------|
D|------0---1-0-1-3---1-4-----4-3-1-----4----------------|
A|--1-3---3---------4---------------4-4------------------|
E|1------------------------------------------------------|

E|---------------------------------------------| they play this all
B|---------------------------------------------| throughout the intro
G|----1-3-1-------------1-3-1-----------1-3----| just in different keys.
D|--4-------4-3-1-----4-------4-3-1---4--------|
A|4---------------4-4---------------4----------|
E|---------------------------------------------|