This is an awesome song. It's pretty easy.
"Voices"
As performed on "The Sickness"
Words and music by David Draiman, Danny Donegan, Mike Wengren, and Fuzz
Drop Db tuning
h hammer on
p pull off
Intro (w/ clean tone and flanger) Play six times
eb[-------------------------------------------------
Bb[-------------------------------------------------
Gb[-------------------------------------------------
Db[-11---9------------------------------------------
Ab[-9----7------------------------------------------
Db[-9----9------------------------------------------
Main riff (w/ distortion, x8)
eb[-------------------------------------------------
Bb[-------------------------------------------------
Gb[-------------------------------------------------
Db[-7h9-7h9-7h9-7h9---3--3--------------------------
Ab[-7h9-7h9-7h9-7h9---3--3--------------------------
Db[-7h9-7h9-7h9-7h9---3--3--------------------------
Verse (w/ distortion, x8)
eb[-------------------------------------------------
Bb[-------------------------------------------------
Gb[-------------------------------------------------
Db[-------------------------------------------------
Ab[-------------------------------------------------
Db[-7h9-7h9-7h9-7h9---3--3--------------------------
[ Tab from: https://www.guitartabs.cc/tabs/d/disturbed/voices_tab_ver_7.html ]
Chorus (w/ distortion, x4) Make up a strumming pattern
eb[-------------------------------------------
Bb[-3-----------------------------------------
Gb[-2---------------4-------------------------
Db[-0---------------4-------------------------
Ab[-0---------------2-------------------------
Db[-0-----------------------------------------
Interlude 1 (w/ distortion, x2[?])
eb[-19-19----19-19----19-19----19-19----------------
Bb[-------------------------------------------------
Gb[-------------------------------------------------
Db[-------------------------------------------------
Ab[-------------------------------------------------
Db[-------------------------------------------------
Verse
Chorus
Bridge (w/ distorion, x10) After 6th and 10th times
eb[----------------------------]---------------------
Bb[----------------------------]---------------------
Gb[----------------------------]---------------------
Db[-9---7---10---4---5---7-----]---------------------
Ab[-9---7---10---4---5---7-----]-2--2--2-------------
Db[-9---7---10---4---5---7-----]-3--3--3-------------
Interlude 2 (w/ distortion, x8)
eb[-------------------------------------------------
Bb[-------------------------------------------------
Gb[-------------------------------------------------
Db[-------------------------------------------------
Ab[-------------------------------------------------
Db[-9-10p9-9-12p9-----------------------------------
Chorus
Main riff
Song Structure:
Intro
Main riff
Verse
Chorus
Interlude 1
Verse
Chorus
Bridge
Interlude 2
Chorus
Main riff
That's it. Enjoy.