Ok, so this was originally tabbed by DisturbedFan01 (Patrick Prole), but I made some 
changes and changed the tuning to Drop D flat, for all of us who don't want to change tuning.

Riff 1: (Acoustic)
eb|--0--0-0-0----0--0-0-0---1--1-1-1--------------3--3-3-3--2--2-2-2---0--0-0-0--|
Bb|--0--0-0-0----0--0-0-0---1--1-1-1---5--5-5-5---3--3-3-3--2--2-2-2---0--0-0-0--|
Gb|--4--4-4-4----2--2-2-2---2--2-2-2---5--5-5-5---4--4-4-4--3--3-3-3---x--x-x-x--|
Db|--4--4-4-4----2--2-2-2---3--3-3-3---5--5-5-5---5--5-5-5--4--4-4-4---2--2-2-2--|
Ab|--2--2-2-2----0--0-0-0---3--3-3-3---3--3-3-3---5--5-5-5--4--4-4-4---2--2-2-2--|
Db|-------------------------3--3-3-3--------------5--5-5-5--4--4-4-4---2--2-2-2--|


Riff 2: (Distortion)
eb|--------------|
Bb|--------------|
Gb|--------------|
Db|--2222222222--|
Ab|--2222222222--|
Db|--2222222222--|
     P.M.......

Riff 3: (Distortion)
eb|------------------------------------------------------------|
Bb|------------------------------------------------------------|
Gb|--4------2------------5-------------------------------------|
Db|--4------2-----3------5------5-------4-------2--------------|
Ab|--2------0-----3------3------5-------4-------2-----2222222--|
Db|---------------3-------------5-------4-------2-----2222222--|
   "Ahhhhhh..."                                       P.M....

Verse: (Distortion)
eb|--------------------------------------|
Bb|----3---------------------------------|
Gb|--2-2-2------4------------------------|
Db|--2-0-2--2/4-4--4-4-4-4-3-3-3-3-2-2---|
Ab|--0---0--0/2-2--4-4-4-4-3-3-3-3-2-2---|
Db|----------------4-4-4-4-3-3-3-3-2-2---|
                   P.M................

Chours: (Distortion & Clean)
eb|----------------------------|
Bb|----------------------------|
Gb|--2-/4-4-----------2--4-----|
Db|--2-/4-4--2--3--4--2--4-----|
Ab|--0-/2-2--2--3--4--0--2-----|
Db|----------2--3--4-----------|

And that's pretty much it. All credit to Patrick Prole. I just changed tuning really.