the system of a down radio/video song
Tabbed by EiphneROB
This is 100% correct!!! 

intro
d|---7----9----11---11---11-12-9---9---9-11-7---7---7--|
a|-----------------------------------------------------|
f|-----------------------------------------------------|
c|-6---xx8--89----9----9---------8---8--------6---6----|
g|-----------------------------------------------------| 
c|-----------------------------------------------------|
                                                                  X2
d|-----7----9----11---11---11-12-10-10---10------------|  
a|-----------------------------------------------------| 
f|-----------------------------------------------------| 
c|-xx6---68---89----9----9---------8---8----9-8-6-4-3--| 
g|-----------------------------------------------------|
c|-----------------------------------------------------|


Chorus
d|-----------------------------------------------------|
a|-----------------------------------------------------|
f|---------------------------------------------9-9-7~--|
c|-6-6---8-8---9~--10-10-8~----6-6---8-8---9~--9-9-7~--|           x2
g|-6-6---8-8---9~--10-10-8~----6-6---8-8---9~--7-7-5~--|
c|-6-6---8-8---9~--10-10-8~----6-6---8-8---9~----------|

Chorus ending with Distortion
d|------------|
a|------------|
f|-9-8-6-4-3--|
c|-9-8-6-4-3--|
g|-7-6-4-2-1--|
c|------------|

Verse part 1 ( clean)
d|-1212-1197-6---11119764--|
a|-------------------------------|
f|-9-9--864-3-----8-86431--| x2
c|-------------------------------|
g|-------------------------------|
c|-------------------------------|

Verse part 2
d|------------------------------------------|
a|----------9/11-9--------------9/11-9------|
f|-/8-4-9-8--------9-8--6-3-9-8--------9-8--| x2
c|------------------------------------------|
g|------------------------------------------|
c|------------------------------------------|

Solo 1
|------------------------------------------------------------------------------|
a|------------------------------------------------------------------------------|
f|-8-9-8~--8-9-8~--8-9-11--11--11-11-9-8--9-8-6-6~--6-6-4-3~--3-4-6^6--6-4-3^3--|
c|------------------------------------------------------------------------------| x2
g|------------------------------------------------------------------------------|
c|------------------------------------------------------------------------------|

 
d|-------------------------------------------------------------------------------------------|
a|-------------------------------------------------------------------------------------------|
f|-3-3-3--4-3-1-1-1--4-3-1-1-1--4-3-1-1-1--4-3-1-1-1---6-4-3-3-3--6-4-3-3-3--6-4-3-3-3--6-4--| x2
c|-------------------------------------------------------------------------------------------|
g|-------------------------------------------------------------------------------------------|
c|-------------------------------------------------------------------------------------------|

 
d|-6-6-6--7-6-4-4-4--7-6-4-4-4--7-6-4-4-4--7-6-4-4-4---9-7-6-6-6--9-7-6-6-6--9-7-6-6-6--9-7--|
a|-------------------------------------------------------------------------------------------|
f|-------------------------------------------------------------------------------------------| x2
c|-------------------------------------------------------------------------------------------|
g|-------------------------------------------------------------------------------------------|
c|-------------------------------------------------------------------------------------------|

 Solo 2 
d|--11-12-12/14--12-11-9-11-11/12-11-9--11-12-12/14--12-11--18-19-21-21^^--|
a|-------------------------------------------------------------------------|
f|-------------------------------------------------------------------------|
c|-------------------------------------------------------------------------|
g|-------------------------------------------------------------------------|   X1
c|-------------------------------------------------------------------------|

Ending with Distortion
d|-------------------------------------|
a|-------------------------------------|
f|-9-8-6-4-3---------------------------|
c|-9-8-6-4-3--6666666666666666666---6--|
g|-7-6-4-2-1--6666666666666666666---6--|  X1
c|------------6666666666666666666---6--|