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...