Abbreviations I have used:

h = hammer on p = pull off
b = bend (up to the next note tabbed) eg 5b7 is full bend, finger on
fret 5 r = release bend
s = slide pm = palm muting /\/\ = vibrato
(12) natural harmonic with finger just touching over 12th fret

"Dropped-D Tuning" (low to high DADGBE)

with dist. throughout
Em------------------------------------|-------------------------------
B------------------------------------|-------------------------------
G--------14---13-let ring------------|-------14---13---11-ring-----x4
D-0-0-0-----0------------------------|-0-0-0----0----0---------------
A------------------------------------|-------------------------------
D------------------------------------|-------------------------------

Fig. A
Em---------------------------------|-------------------------------
B---------------------------------|-------------------------------
G---------------------------------|-play 3 times------------------
D-0-0-0-7-0-6-0-4-0-5-0-2-0-3-2-1-|-------------------------------
A---------------------------------|-------------------------------
D---------------------------------|-------------------------------

[e-------------------------------------------------------------------]B-(7)-(7)---------(7)-(7)-(7)-------(7)-(7)-(7)-(7)-----------------
[G-------------------------------------------------------------------]D---------0-0-0-0-------------0-0-0---------------------------------
A-------------------------------------------------------------------
[D-------------------------------------------------------------------] End of Fig. A                         
Verse 1
Em--------------------------------|-------------------------------
B--------------------------------|-------------------------------
G--------------------------------|-------------------------------
D--------------------------------|-play 8 times------------------
A--0-0-7-0-6-0-4-0-5-0-2-0-3-2-1-|-------------------------------
D--0-0-7-0-6-0-4-0-5-0-2-0-3-2-1-|-------------------------------

Chorus
e-D5----|-E5----|-G5----|--------------------------------------------------
B-----|-----|-----|--------------------------------------------------
G-----|-----|-----|--------------------------------------------------
D-0---|-2---|-5---|-----------3-----------3--------------------------
A-0---|-2---|-5---|-5-----3h5---5---5-3h5---5------------------------
D-0---|-2---|-5---|---0-0---------------------3-(slight bend)--------

e-D5----|-E5----|-G5----|--------------------------------------------------
B-----|-----|-----|--------------------------------------------------
G-----|-----|-----|--------------------------------------------------
D-0---|-2---|-5---|-------3-4-5-------3-4-5--------------------------
A-0---|-2---|-5---|-3-4-5-------3-4-5-------3-5-3--------------------
D-0---|-2---|-5---|--------------------------------------------------

e-D5----|-E5----|-G5----|--------------------------------------------------
B-----|-----|-----|--------------------------------------------------
G-----|-----|-----|--------------------------------------------------
D-0---|-2---|-5---|-----------3-----------3--------------------------
A-0---|-2---|-5---|-5-----3h5---5---5-3h5---5------------------------
D-0---|-2---|-5---|---0-0---------------------3-(slight bend)--------

Chorus End 1
Em---------------------------------|-------------------------------
B---------------------------------|-------------------------------
G---------------------------------|-------------------------------x2
D---------------------------------|-----------------0-2-3---3-2-1-
A---5-4---5-4---5-4---5-4---5-4---|-5-4---5-4---5-4-0-2-3---3-2-1-
D-0-----0-----0-----0-----0-----0-|-----0-----0-----0-2-3---3-2-1-

play Fig. A but with palm muting
Lift muting slightly leading into harmonics

Verse 2

Chorus

Chorus End 2
Em------------------------------------|-----|-------------------------
B------------------------------------|-----|-------------------------
G------------------------------------|-x4--|-------------------------
D-------3-4-5-------3-4-5------------|-----|-------------------------
A-3-4-5-------3-4-5-------3-5-3------|-----|-3/\/\/------------------
D------------------------------------|-----|-------------------------

Play Chorus End 1 twice
---5-4-
Play Chorus End 1 twice more, but with palm muting on -0----- bits

Chorus

Chorus End 1 x4

Outro
Em-------------|--------------------------------|----|----------------
B-------------|--------------------------------|----|----------------
G-------------|--------------------------------|----|----------------
D-0-----------|-let ring-----x-x-0-2-3--3-2-1--|-x4-|-0--------------
A-0-----------|--------------x-x-0-2-3--3-2-1--|----|-0--------------
D-0-----------|--------------x-x-0-2-3--3-2-1--|----|-0--------------