The song is played in Drop D (DADGBe) tuning

Intro
e|--------------|
B|--------------|
G|--------------|
D|--------------|
A|--12\---------|
D|--12\---------|

Main Riff
e|-----------------------------------------------------|
B|-------------6---------------------------------------|
G|--7--7--5-------7--5-7---5-7--7--5-------------------|
D|----------7------------------------7---x-------------|
A|---------------------------------------x-------------|
D|---------------------------------------x-3--4--5-5-0-|

e|-----------------------------------------------------|
B|-------------6---------------------------------------|
G|--7--7--5-------7--5-7--4^--3--3-3-0-0---------------|
D|----------7-------------5^--3--3-3-0-0---------------|
A|---------------------------------------0-------------|
D|-----------------------------------------------------|

Verse Riff
e|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-------------3^--------------------------------------|
A|---5--5--3-0----5--3-5--3-5--5--3-0--0---------------|
D|---------------------------------------3--4--5-5-0---|
P.M _________|   |__________________________________|

e|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-------------3^-----------5^--3--3-3-0-0-------------|
A|---5--5--3-0----5--3-5--3----------------0-----------|
D|-----------------------------------------------------|
P.M |________|   |_________|

Chorus (mix it up a bit until it sounds right)
e|--------------------------------------------------------|
B|--------------------------------------------------------|
G|--------------------------------------------------------|
D|---0--5--x-5--x-5--x-5-5-5-----0--5--x-5--x-5--x-5-5-5--|
A|---0--5--x-5--x-5--x-5-5-5-----0--5--x-5--x-5--x-5-5-5--|
D|---0--5--x-5--x-5--x-5-5-5-----0--5--x-5--x-5--x-5-5-5--|

Interlude (after second chorus/before bridge)
e|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-------------3^--------------------------------------|
A|---5--5--3-0----5--3-5--3-5--5--3-0--0---------------|
D|---------------------------------------3--4--5-5-0---|

e|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-------------3^-----------5^--3--3-3-0-0-------------|
A|---5--5--3-0----5--3-5--3----------------0h3---------|
D|---------------------------------------------0~~~----|

Pre-Bridge (muck around with higher notes until you like the way it sounds)
e|----------|
B|--3~~~----|
G|--2~~~----|
D|----------|
A|----------|
D|----------|

Bridge (very heavy, use right hand [if you're right-handed] to mute strings after some 
notes until it sounds right)
e|-----------------------------------------------------------------------|
B|-----------------------------------------------------------------------|
G|-----------------------------------------------------------------------|
D|--0--0--0--0-0-0-0-3--3---0--0--0--0-0-0-0-5--5---0--0--0--0-0-0-0-3--3|
A|--0--0--0--0-0-0-0-3--3---0--0--0--0-0-0-0-5--5---0--0--0--0-0-0-0-3--3|
D|--0--0--0--0-0-0-0-3--3---0--0--0--0-0-0-0-5--5---0--0--0--0-0-0-0-3--3|

e|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|--5-5-5-5--5-5-5-5/7-7-7-7--7-7-7-|
A|--5-5-5-5--5-5-5-5/7-7-7-7--7-7-7-|
D|--5-5-5-5--5-5-5-5/7-7-7-7--7-7-7-|

e|-----------------------------------------------------------------------|
B|-----------------------------------------------------------------------|
G|-----------------------------------------------------------------------|
D|--0--0--0--0-0-0-0-3--3---0--0--0--0-0-0-0-5--5---0--0--0--0-0-0-0-3--3|
A|--0--0--0--0-0-0-0-3--3---0--0--0--0-0-0-0-5--5---0--0--0--0-0-0-0-3--3|
D|--0--0--0--0-0-0-0-3--3---0--0--0--0-0-0-0-5--5---0--0--0--0-0-0-0-3--3|

e|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|--5-5-5-5--5-5-5-5/7-7-7-7--7-7-7-7/10-10-10--10-10-10-10\---------------|
A|--5-5-5-5--5-5-5-5/7-7-7-7--7-7-7-7/10-10-10--10-10-10-10 (lots of times)|
D|--5-5-5-5--5-5-5-5/7-7-7-7--7-7-7-7/10-10-10--10-10-10-10/---------------|

e|----------|
B|----------|
G|----------|
D|----------|
A|----------|
D|--0~~~----|

End
e|------------------------------------------------------------------|
B|------------------------------------------------------------------|
G|------------------------------------------------------------------|
D|---0--5--x-5--x-5--x-5-5-5-----0--5--x-5--x-7-7-7-7-7-7-7-7-------|
A|---0--5--x-5--x-5--x-5-5-5-----0--5--x-5--x-7-7-7-7-7-7-7-7-------|
D|---0--5--x-5--x-5--x-5-5-5-----0--5--x-5--x-7-7-7-7-7-7-7-7--0~~~-|


*******************************
| ~  Let ring
| \  Slide down
| /  Slide up
| x  Mute
| ^  Bend
| h  Hammer-on
| P.M |__| Palm mute notes
*******************************