Legend
.       palm mute
/ \     slide up/down




Opening riff
------------------------------------|
------------------------------------|
--------------(b9)10---(b9)10-----------|
-8\---------8-----------------------|
-6\-------7-------------------------|
------------------------------------|


---------------------------|
---------------------------|
-----7-8---7-8-------------|
---6-----------------------|
-5-------------------------|
---------------------------|

Altered Opening riff

Listen to the song for timing.
---------------------------|
---------------------------|
---------------------------|
-(b9)--(b9)(b9)(b9)-(b9)(b9)(b9)-(b9)10-10-|
-7---7-7-7--7-7-7--7-8--8--|
---------------------------|

After playing this once (or twice?) it slides
the same pattern a full step down. Listen to the
track to find out which of the notes are palm muted.
Not hard at all.

Next riff
----------------------------------|
----------------------------------|
----------------------------------|
-4---------7----------------------|
-2-----5---5------3-3-3-3-3-3-3-3-|
-------3----------1-1-1-1-1-1-1-1-|
The last notes of the riff are all palm muted.

----------------------------------------------------|
----------------------------------------------------|
----------------------------------------------------|
----------------------------------------------------|
-2------------2-------------------------------3-2-3-|
-0-000000-5-4-0-000000-5-3-0-000000-5-4-0-000-1-0-1-|
   ......       ......       ......       ...   .



Before the ambient part
----------------------------|
----------------------------|
----------------------------|
--------4-------------4-----|
-3----6-2--5---3----6-2-----|
-1----4----3---1----4-------|

----------------------------|
----------------------------|
----------------------------|
-7----8-------8---7----8----|
-5----6--(b9)---6---5----6--6-|
---------4----------------4-|



During the interlude
---------------------------|
---------------------------|
---------------------------|
--7-7----------5-----------|
--5-5----------3-----------|
---------------------------|

-------------------------------------------------|
-------------------------------------------------|
-------------------------------------------------|
--10--(b9)-7-----7---3---2---------------2---------|
--8---7--5-----5---1---0---5---3---5---0---3---2-|
---------------------------3---1---3-------1---0-|



Faster riff
----------------------------------|
----------------------------------|
----------------------------------|
-2-2-22222-2-223-3-5-555-5-5-5555-|
-0-0-00000-0-001-1-3-333-3-3-3333-|
 . . ..... .       . ... . . ....



Last riff
---------------------------------------------------|
---------------------------------------------------|
---------------------------------------------------|
---------------------------------------------------|
-2-2---2--2--2--2--2-2--1p0h1--------------------5-|
-0-0---0--0--0--0--0-0--------0-0--0--0--0--0--0-3-|

-------------------------------------------------------|
-------------------------------------------------------|
-------------------------------------------------------|
-------------------------------------------------------|
-2-2---2--2--2--2--2-2--1p0h1--------------------5-5-3-|
-0-0---0--0--0--0--0-0--------0-0--0--0--0--0--0-3-3-1-|


Then it repeats one of the above riffs.

Actual last riff
----------------------------------------------------------|
----------------------------------------------------------|
----------------------------------------------------------|
-2--4-----4-4---------------------------------------------|
-0--2-----2-2-2--4---3-5-5--2------5--5-5-4-4-4-4-4-4-4-4-|
--------------0--2---2-3-3--0--0-0-3--3-3-2-2-2-2-2-2-2-2-|
                               . .    . . . . . . . . . .

And that's the song. Just made this tab in about 20 minutes, record timing.