Dropped D tuning
Riff 1 (intro)

G--------------------------------------------------------
D---------------4----------------------------------------
A--------------------------------------------------------
D--3-3-3---3-3-------------------------------------------

Riff 2 (Main riff)

G--------------------------------------------------------
D--------------------------------------------------------
A--------------------------------------------------------
D--3-3-3-3-4-0---3-0-4-0---------------------------------

Riff 3 

G--------------------------------------------------------
D--------------------------------------------------------
A--------------------------------------------------------
D--3-3-4-------------------------------------------------

Riff 4

G---------6-5--------------------------------------------
D--------------6-4--3h4h3--------------------------------
A--------------------------------------------------------
D-3-3-4--------------------------------------------------

Riff 5

G---------5-6-5s8-6-5------------------------------------
D--------------------------------------------------------
A--------------------------------------------------------
D--3-3-4-------------------------------------------------

Riff 6

G---------6-5-6-5s8-6-5----------------------------------
D-----------------------4--------------------------------
A--------------------------------------------------------
D--3-3-4-------------------------------------------------

Song Structure

Riff 1 twice
Riff 2 16 times
(drum machine bit)
Riff 2 4 times
Riff 3 once
Riff 4 once
Riff 5 once
Riff 4 once
Riff 3 twice
Riff 6 once
Riff 3 4 times
(synthesised bit)
Riff 2 10 times
Riff 3 once
Riff 4 once
Riff 5 once
Riff 4 once
Riff 3 once
Riff 1 twice
Riff 2 12 times