This is just thie intro riff, simple and sweet

e-------8-8-----------------------------------|
b------------8-6-6------8-5-5-----------------|
g-9/5-5--------------5-5------5-5-9-7-7-9-9-5-|
d---------------------------------------------|
a---------------------------------------------|
e---------------------------------------------|

then

e------8-8-----------------------------------|
b-----------8-6-6------8-5-5-----------------|
g---5--------------5-5-------5-5-9-7-7-9-9-5-|
d--------------------------------------------|
a--------------------------------------------|
e--------------------------------------------|

the just repeat that last part a lot...

any corrections or questions, just ask...