Intro;

EEE|----------------|
|-2-2-2-0-3-3-3-0|
|-2-2-2-0-2-2-2-0| x4
E|4-4---0---------|
B|----0---2-2-----|
G|------------3-3-|

Main bit

(1)

EEE|----------------|
|-2-2-2-0-3-3-3-0| (same as intro...)
|-2-2-2-0-2-2-2-0|
E|4-4---0---------|
B|----0---2-2-----|
G|------------3-3-|

but then.....

(2)

EEE|----------------|----------------EEE|----------------|----------------EEE|----------------|----------------|
|-2-2-2-0-3-3-3-0|-2-2---0-3-3-3-0|-2-2---0-3-3-3-0|-2-2---0-3-3-3-0|-2-2---0-3-3-3-0|-2-2-2-2--------|
|-2-2-2-0-2-2-2-0|-2-2---0-2-2-2-0|-2-2---0-2-2-2-0|-2-2---0-2-2-2-0|-2-2---0-2-2-2-0|-2-2-2-2--------|
|4-4---0---------|-42-2-----0-4---|-42-2-----0-4---|-42-2-----0-4---|-42-2----0------|--4-4-4-4-4-4-4-|
|----0---2-2-----|---4-4012-------|---4-4012-------|---4-4012-------|---4-4012-4242--EEE|----------------|
|------------3-01|2-------------01|2-------------01|2-------------01|2-------------01|2---------------|


Then back to main bit (1) for a while then (2) again. But then.....

EEE|----------------|
|-2-2-2-2-3-3-3-3|
|-2-2-2-2-2-2-2-2|
EEE|----------------|
EEE|----------------|
EEE|----------------|

and after a few bars, this one joins in too;

|-4-4-4-4-2-2-2-2|
|-5-5-5-5-3-3-3-3|
EEE|----------------|
EEE|----------------|
EEE|----------------|
EEE|----------------|