Song : CUBert
Band : System Of A Down

Riff 1
F---------------------------------
C---------------------------------
G---------------------------------
C-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5- 
Riff 2
F---------------------
C---------------------
G---------------------
C-5-5-5-5-5-5-5-5-5-5- 

Riff 3 
F--------------------
C--------------------
G---5-------5--4--3--
C-5--7-8--5--8--7--6- 

Riff 4 
F------------------------------------------------------
C------------------------------------------------------
G------------------------------------------------------
C-4-4-4-4-4-4--4-4-4-4-4-4----5-5-5-5-5-5--5-5-5-5-5-5- 

And the order is : 
Wait for guitar plays intro
Riff 1x4
Riff 2x4
Riff 3x2
Riff 2x8
Riff 3x2
Riff 2x4
Riff 4x2
Riff 3x4
Riff 2x4