All Intensive Purposes

Riff 1a, 1b (1a - with light palm muting, 1b - without)
E|-----------------------------------------------------------------| 
B|-----------------------------------------------------------------| 
G|-----------------------------------------------------------------| 
D|-3-3-3-6-2-2-2-2-------3-2-2-2-2---------------------------------| 

E|-----------------2-2-2-----------1-1-1-1-2-2-2-2-0-0-0-2-1-1-1-1-| 

Riff 2 - VERY inaudible riff, so, this is only my opinion
E|---------------------------------------------------------------------| 
B|---------------------------------------------------------------------| 
G|----------------------------------------------------------------a.h.-| 
D|------------2---1------------2---1------------2---1------------2---1-| 
A|----3---2------------3---2------------3---2------------3---2---------| 
E|-00-1-0-0-0---0---00-1-0-0-0---0---00-1-0-0-0---0---00-1-0-0-0---0---| 
  ..   .   .   .   ..   .   .   .   ..   .   .   .   ..   .   .   .      

Riff 3
E|-------------------------| 
B|-------------------------| 

E|-------------------------| 
B|--8--8--8/-9--8--8--8/-9-| 
G|-------------------------| 

Riff 4
E|------------------------------------------------------| 
B|------------------------------------------------------| 
G|------------------------------------------------------| 
D|------------------------------------------------------| 
A|-4-4-4-2-4x----4-3-2-4x----4-4-4-2-4x---5-5-5-5-5-5-5-| 
E|-2-2-2-0-2x----2-1-0-2x----2-2-2-0-2x---3-3-3-3-3-3-3-| 

Riff 5
E|-----------------------------------------------------------------| 
B|-----------------------------------------------------------------| 
G|-----------------------------------------------------------------| 
D|-----------------------------------------------------------------| 
A|-4-4-4-2-4---------4-3-2-4-------4-4-4-2-4---------5-5-5-5-5-5-5-| 

|-2-2-2-0-2-0-0-0-0-2-1-0-2-0-0-0-2-2-2-0-2-0-0-0-0-3-3-3-3-3-3-3-|
            . . . .         . . .           . . . .