Riff transcribed by Greg O'Beirne 

[with plenty of wah...]

    1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   + 
 E ---------------------------------------------------------------
 B ---------------------------------------------------------------
 G -----------------(b9)----------------------7---------------------
 D -----------------(b9)------------7(b9)----------(b9)--7---5-------5-
 A -----------------7---------------------------------------7-----
 E -0-------0-----------------------------------------------------


    1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   + 
 E ---------------------------------------------------------------
 B ---------------------------------------------------------------
 G ---------------------------------------------------------------
 D -7---5-------------------------------5---5h7p5-----------------
 A ---------7-----------5---7-----------------------7-------------
 E ---------------------------------------------------------------

    1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   + 
 E ---------------------------------------------------------------
 B ---------------------------------------------------------------
 G ---------------------------------------------------------------
 D -------------5---5h7p5-----------------------------------------
 A -5---7-------------------7-----------5---7-----------5---7-----
 E ---------------------------------------------------------------

Repeat... etc.. :)