tune down 1/2 step and drop D 

~~ let ring 
.  Palm mute 
 
This is the main part in the song, The other parts comes later. 
eb|-------------------------------------------------------- 
Bb|-------------------------------------------------------- 
Gb|-------------------------------------------------------- 
Db|------------------------------------0~~----------------- 
Ab|------------------------------------0~~----------------- 
Db|--5-x-3-3-x-5-8-10~~-8--5-x-3-3--8--0~~----------------- 
 
 
---------------------------------------------------------- 
---------------------------------------------------------- 
|--------------------------------------------------------- 
|-------------------------------5-55-5-5------------------ 
|-------------------------------5-55-5-5------------------ 
|--5-x-3-3-x-5-8-10-8~~-5-x-3-3-5-55-5-5-5---------------- 
                                  ..   . 
Its not difficult, just figger out the right rythem.