Mxtabs [http://www.mxtabs.net]

1st riff(2x)
G--------------------------------
D------------2-4/6--4-2----------
A-2-------2-------------------2--
E---4-0-4----------------4-6-----

2nd riff
G--------------------------------
D-----4/6-4-2-1-4-6-7-7----------
A-2-2-------------------7-4-0----
E--------------------------------

3rd riff
G-1-1-2-4-4-2-1---1-2------------
D---------------4----------------
A--------------------------------
E--------------------------------

4th riff
G-2-1----------------------------
D-----4-2-1---1-2----------------
A-----------4------1-2-----------
E----------------4---------------

5th riff
G-----------------1-2-1----------
D---2-2-1-------4-------4-2-1----
A-2-------4-4-4------------------
E--------------------------------

Final riff
G---------1-2-4-----1-2----------
D-----2-4-------2-4-----4-2------
A-2-2----------------------------
E--------------------------------

hope you like it.  i figured somebody better tab it in the low octave so i did.  NOel Redding was the best