8stops7 - Satisfied
Drop D Tuning 
Low To High - D A D G B E

Riff I: (the pull-off may actually be to 3 instead of 4, it's hard to
         hear, actually either one sounds OK)
        (all these riffs are usually palm muted)
e |-------------------------------------------------------------------|
b |-------------------------------------------------------------------|
g |-------------------------------------------------------------------|
d |-------------------------------------------------------------------|
a |----5---5-------5--------------------------------------------------|
D |--0---0---0-5p4----------------------------------------------------|

Riff II: (not sure about ending, but this sounds OK)
e |-------------------------------------------------------------------|
b |-------------------------------------------------------------------|
g |-------------------------------------------------------------------|
d |-------------------------------------------------------------------|
a |------7-----------5- repeat 7x ---- end with ----------------4-----|
D |--0-0---0-6-x-5-6------------------------------0h5h6h7-0h3h5-------|

Chorus:
e |-------------------------------------------------------------------|
b |-------------------------------------------------------------------|
g |-------------------------------------------------------------------|
d |--0-3-3--0-3-3--0-3-3--0-3--5--------------------------------------|
a |--0-3-3--0-3-3--0-3-3--0-3--5----5---5-------5----5---5-------5----|
D |--0-3-3--0-3-3--0-3-3--0-3--5--0---0---0-5p4----0---0---0-5p4------|

e |-------------------------------------------------------------------|
b |------------------------------( --play 4x----- )-------------------|
g |-------------------------------------------------------------------|
d |--0-3-3--0-3-3--0-3-3--0-3--3--------------------------------------|
a |--0-3-3--0-3-3--0-3-3--0-3--3----5---5-------5---------------------|
D |--0-3-3--0-3-3--0-3-3--0-3--3--0---0---0-5p4-----------------------|

Interlude Part:
e |-------------------------------------------------------------------|
b |-------------------------------------------------------------------|
g |-------------------------------------------------------------------|
d |--0--3--0--3--0--3-- 4x, then -------------------------------------|
a |--0--3--0--3--0--3--------------5--------5p0----5-------5p0--------|
D |--0--3--0--3--0--3-----------------0-3-0-----0----0-3-0-----0------|
     (     pm     )


Enjoy!