Intro / Verse
F--------------------------------|
C------5--------6-6--3--5--------|
G--3-----6--3---------------6----|
C--------------------------------|
Chorus (very fast)
[ Tab from: https://www.guitartabs.cc/tabs/s/system_of_a_down/metro_btab_ver_6.html ]
F-----------------------------------------------------------------|
C-----------------------------------------------------------------|
G-----------------------------66666666----------------------------|
C--66666666-88888888-33333333----------66666666-88888888-4-4-4-44-|
Bridge
F-------------------------------|
C-------------------------------|
G-------------------------------|
C--8-8-8-8-888-8-8-8-8-888------|
Guitar Solo Part
F-----------------------------|
C-----------------------------|
G-----------------------------|
C--0-7-0-7-8-0-8-7-0-7-0-7-8--|
Maybe an alternative playing for the bass part.
Best way to figure out the timing and repetitions by listening to the song :-)