Tabbed by ear, might not be 100%, but it gets the job done.
Video of me playing it by this tab: http://www.youtube.com/watch?v=43Yg221SxX4
e-----------------------------------------------------------------|
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D-2--3-4-4-4-4-4-4-4-4-4-4-4-4-4----------------------------------|
A-0--1-2-2-2-2-2-2-2-2-2-2-2-2-2----------------------------------|
E-----------------------------------------------------------------|
PM---------------------|
e-----------------------------------------------------------------|
B-----------------------------------------------------------------|
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D-2--3-4-4-4-4-4-4-4-4-4-4-4-4-4----------------------------------|
A-0--1-2-2-2-2-2-2-2-2-2-2-2-2-2----------------------------------|
E-----------------------------------------------------------------|
PM---| PM---| PM-| PM
e-----------------------------------------------------------------|
B-----------------------------------------------------------------|
G-----------------------------------------------------------------|
D-2--3-4-4-4-4-4-4-4-4-4-4-4-4-4----------------------------------|
A-0--1-2-2-2-2-2-2-2-2-2-2-2-2-2----------------------------------|
E-----------------------------------------------------------------|
PM---| PM--| PM-| PM
e-----------------------|-----------------------------------------|
B-----------------------|-----------------------------------------|
G-----------------------|-----------------------------------------|
D-2--3-4-4-4-4-4-4-4-4-4|-4-3-4-5-6-7-8-9-----9-----9~------------|
A-0--1-2-2-2-2-2-2-2-2-2|-2-1-2-3-4-5-6-7-7-7-7-777-7~------------|
E-----------------------|---------------0-0-0-0-000-0~------------|
PM---| PM---|
e-----------------------------------------------------------------|
B-----------------------------------------------------------------|
G-----------------------------------------------------------------|
D--4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2|
A--2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0|
E-----------------------------------------------------------------|
PM---------------------------| PM----------------------------|
e----------|
B----------|
G----------|
D-9~~~-----|
A-7~~~-----|
E-0~~~-----|
[ Tab from: http://www.guitaretab.com/s/sweet/230667.html ]
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B-----------------------------------------------------------------|
G-----------------------------------------------------------------|
D--4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2|
A--2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0|
E-----------------------------------------------------------------|
PM-| PM--| PM--| PM--| PM--| PM--| PM--| PM--| PM
e----------------------------------------------------------------|
B----------------------------------------------------------------|
G----------------------------------------------------------------|
D-9-9---9~---9----9-9---9~--9-9-9-9------------------------------|
A-7-7-7-7~-7-7----7-7-7-7~--7-7-7-7-7777777777-<.not exact-------|
E-0-0-0-0~-0-0-00-0-0-0-0~--0-0-0-0-0000000000-<.amount of times-|
PM PM PM PM PM--------|
X3 X4
e---------------|-----------|--------|---------|
B---------------|-----------|--------|---------|
G---------------|-----------|--------|---------|
D---------------|-4-5-6-7-8-|-9------|-9\------|
A--/9-7-9--9-7\-|-2-3-4-5-6-|-7-7-7--|-7\------|
E--/7-7-7--7-7\-|-----------|-0-0-0--|---------|
PM PM|
e--------------------------|
B------------9-8-7---------|
G--9-8-7------------9-8-7--|
D--------9-----------------|
A--------------------------|
E--------------------------|
e-----------------------------------------------------------------|
B-----------------------------------------------------------------|
G-----------------------------------------------------------------|
D-2--3-4-4-4-4-4-4-4-x-x-x-x-x-x----------------------------------|
A-0--1-2-2-2-2-2-2-2-x-x-x-x-x-x----------------------------------|
E-----------------------------------------------------------------|
PM-----------------|
Slowly lift fingers off frets and then soften palm mutes
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B----------------------------------------|
G-----9------7------9-7h9p7h9p7h9p7h9p7--|
D-9-9-9--9-9-7--9-9-9--------------------|
A-7-7----7-7----7-7----------------------|
E----------------------------------------|
e----------------------------------------|
B----------------------------------------|
G-----9------7------9--------------------|
D-9-9-9--9-9-7--9-9-9--------------------|
A-7-7----7-7----7-7----------------------|
E----------------------------------------|
e-------------|
B-------------|
G-------------|
D-------------|
A--/9-7-9--9--|
E--/7-7-7--7--|
PM
e-------------------|
B-------------------|
G-------------------|
D--4-3-4-5-6-7-8----|
A--2-1-2-3-4-5-6----|
E-------------------|