Cassandra

Riff A (strings D and A imitate a synth)
E|-------5---5---5---5---5------------5---5---5---5---5----------| 
B|---------5-------5-------5------------5-------5-------5--------| 
G|-------------5-------5-----7-5------------5-------5-----7-5----| 
D|---------------------------------------------------------------| 
A|----0-----------------------------3----------------------------| 
E|---------------------------------------------------------------| 

E|-------5---5---5---5---5------------5---5---5---5--------5---5---5---5----| 
B|---------5-------5-------5------------5-------5------------5---5---5------| 
G|-------------5-------5-----7-5------------5-------5-----------------------| 
D|------------------------------------------------------(0)-----------------| 
A|----0-----------------------------3---------------------------------------| 
E|--------------------------------------------------------------------------| 

Riff B|- verse (guitar imitates a synth)
E|---------5---------7-----| 
B|-------------------------| 
G|-------------------------| 
D|--------------0----------| 
A|-----0-------------------| 
E|-------------------------| 

Riff C - Guitar 1 (distorted)
E|--------------------------------------------------------------------------------| 
B|--------------------------------------------------------------------------------| 
G|--------------------------------------------------------------------------------| 
D|----7-7-7-7-7-7-7-7----5-5-5-5-5-5-5-5----3-3-3-3-3-3-3-3----2-2-2-2-2-2-2-2----| 
A|----7-7-7-7-7-7-7-7----5-5-5-5-5-5-5-5----3-3-3-3-3-3-3-3----2-2-2-2-2-2-2-2----| 
E|----5-5-5-5-5-5-5-5----3-3-3-3-3-3-3-3----1-1-1-1-1-1-1-1----0-0-0-0-0-0-0-0----| 

Guitar 2 - on words "sicker - quoth Cassandra"
E|--------0----------| 
B|--------1----------| 
G|--------2----------| 
D|--------2----------| 
A|-----0-------------| 
E|-------------------| 

Riff D|- clean
(this part is played with two guitars, I've transcribed only for one)
E|---10------10------10----10------10------10-------5---5---5---5---5----------| 
B|-----10------10------10----10------10------10-------5-------5-------5--------| 
G|-------10------10------------10------10-----------------5-------5-----7-5----| 
D|-----------------------------------------------------------------------------| 
A|-----------------------------------------------(0)---------------------------| 
E|-----------------------------------------------------------------------------| 


Riff E|- Guitar 1 (clean)
E|---10------10------10----10------10------10-------5---5---5---5---5----------| 
B|-----10------10------10----10------10------10-------5-------5-------5--------| 
G|-------10------10------------10------10-----------------5-------5-----7-5----| 
D|-----------------------------------------------------------------------------| 
A|-----------------------------------------------(0)---------------------------| 
E|-----------------------------------------------------------------------------| 

E|---10------10------10----10------10------10-------5---5---5---5---5----------| 
B|-----10------10------10----10------10------10-------5-------5-------5--------| 
G|-------10------10------------10------10-----------------5-------5-----7-5----| 
D|-----------------------------------------------------------------------------| 
A|-----------------------------------------------(0)---------------------------| 
E|-----------------------------------------------------------------------------| 

Guitar 2 (distorted)
E|---------------------------------------------------------------------| 
B|---------------------------------------------------------------------| 
G|----7~-------------------10~-----------------------------------------| 
D|----7~-------------------10~--------------------7~-------------------| 
A|----5~-------------------8~---------------------7~-------------------| 
E|------------------------------------------------5~-------------------| 

E|---------------------------------------------------------------------| 
B|---------------------------------------------------------------------| 
G|----7~-------------------10~-----------------------------------------| 
D|----7~-------------------10~--------------------7~-------------5~----| 
A|----5~-------------------8~---------------------7~-------------5~----| 
E|------------------------------------------------5~-------------3~----| 


Structure of the song:

Riff A - 2 times (clean)
Riff B|- verse
Riff C - chorus
Riff B
Riff C
Riff D|- 4 times (clean)
Riff C
Riff E|- till the song ends