The main riff is:
e
a
d---8-----------8--------
g-----7--8--7^^^-----7--8--7^^^
b
e
But at the end of the song it become
e
a
d--8-----------8-------8--8---------6--6--6--6--6--6
g----7--8--7-----7--8-7-----7--8--7----------------
b
e
I `m not entirly sure of this so if anyone else know different email paul..conroy@talk21.com