Riff 1:



E -----------------------------

B -----------------------------

G -----------------------------

D -----------------------------

A -----------------------------

D -7--4-7--4-7-4-7--4-7--4-7-4-





Riff 2:

   This is Riff 1 played palm muted





Riff 3:



E -------------------------------------------------------------------

B -------------------------------------------------------------------

G -------------------------------------------------------------------

D -9--7-9--7-9-7-9--7-9--7-9-7-9--7-9--7-9-7-10-10-10-10-10-10-10-10-

A -9--7-9--7-9-7-9--7-9--7-9-7-9--7-9--7-9-7-10-10-10-10-10-10-10-10-

D -9--7-7--7-9-7-9--7-9--7-9-7-9--7-9--7-9-7-10-10-10-10-10-10-10-10-





Riff 4:



E ---------------------

B -----5-------6b--5b--

G --------7-5----------

D -5h7-----------------

A ---------------------

D ---------------------



#b stands for bend the string (I would assume 1/2 step), #h# means hammer 

on the string and p# means pull off





Occasional Riff:



E -------------

B -------------

G -4h5p4-5b-4b-

D -------------

A -------------

D -------------