Intro on bass and drums , on 2nd bass-drum line play that sound:
|------------|
|------------|
|------------|
|-<5>~~~~~~~-|
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|------------|
Breakdown X4
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|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-5--6-4-5-5--6-6-4-5-5--6-4-5-5--6-6-4-5-|
|-5--6-4-5-5--6-6-4-5-5--6-4-5-5--6-6-4-5-|
Verse X2
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|-------------------------------------------------------------|
|---------------------------------------------------1-0-------|
|-----------------------------------------------1-0-----1-0---|
|-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-------------1-|
|-------------------------------------------------------------|
Chorus
X1 / X3
|-------------------------|-------------------|
|-------------------------|-------------------|
|-------------------------|-------------------|
|-------------------------|-------------------|
|-5~~-4~~-6~~-5~~-6-4-5-5-|-6-6-4-5-5-6~~-5~~-|
|-5~~-4~~-6~~-5~~-6-4-5-5-|-6-6-4-5-5-6~~-5~~-|
Verse X2
|-------------------------------------------------------------|
|-------------------------------------------------------------|
|---------------------------------------------------1-0-------|
|-----------------------------------------------1-0-----1-0---|
|-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-------------1-|
|-------------------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/s/system_of_a_down/ddevil_tab_ver_6.html ]
Chorus
X1 / X3
|-------------------------|-------------------|
|-------------------------|-------------------|
|-------------------------|-------------------|
|-------------------------|-------------------|
|-5~~-4~~-6~~-5~~-6-4-5-5-|-6-6-4-5-5-6~~-5~~-|
|-5~~-4~~-6~~-5~~-6-4-5-5-|-6-6-4-5-5-6~~-5~~-|
Interlude
1st part X2
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|--------------------------------------|
|-(clean guitar----)-------------------|
|-6-4-5-5--6-6-4-5-5-------------------|
|-------------------6-4-5-5--6-6-4-5-5-|
|-------------------6-4-5-5--6-6-4-5-5-|
2nd part X1
|------------------------------------------------------------|
|------------------------------------------------------------|
|-(clean)---------(clean)--------(clean guitar-------------)-|
|-5-6-4-5---------5-6-4-5--------5-6-4-5-5-6-4-5-5-6-6-4-5-5-|
|---------5-6-4-5--------5-6-4-5-----------------------------|
|---------5-6-4-5--------5-6-4-5-----------------------------|
Verse X2
|-------------------------------------------------------------|
|-------------------------------------------------------------|
|---------------------------------------------------1-0-------|
|-----------------------------------------------1-0-----1-0---|
|-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-1-0-------------1-|
|-------------------------------------------------------------|
Chorus
X1 / X3
|-------------------------|-------------------|
|-------------------------|-------------------|
|-------------------------|-------------------|
|-------------------------|-------------------|
|-5~~-4~~-6~~-5~~-6-4-5-5-|-6-6-4-5-5-6~~-5~~-|
|-5~~-4~~-6~~-5~~-6-4-5-5-|-6-6-4-5-5-6~~-5~~-|
Outro X4
|----------------------------------------|
|----------------------------------------|
|----------------------------------------|
|----------------------------------------|
|-6-4-5-5--6-6-4-5-5--6-4-5-5--6-6-4-5-5-|
|-6-4-5-5--6-6-4-5-5--6-4-5-5--6-6-4-5-5-|