Whole song is 3 Riffs with some slight variations, not sure about the original tuning but this sounds right in
drop A.
[Riff 1a]
B |----------------------------------------------------------------|
F#|----------------------------------------------------------------|
D |----------------------------------------------------------------|
A |-----------9-9---12-11-9----------------------------------------|
E |-11-11-5-6-7-6-9-10-9--7--9-10-11--11pm-11pm11pm11pm11pm-6-5-9--|
A |-11-11-5-6-----9----------9-10-11--11pm-11pm11pm11pm11pm-6-5-9--|
[Riff 1b]
B |-----------------------------------------------------------------|
F#|-----------------------------------------------------------------|
D |-----------------------------------------------------------------|
A |-----------9-9---12-11-9-----------------------------------------|
E |-11-11-5-6-7-6-9-10-9--7--9-10-11--11pm-11pm11pm11pm11pm-9-8-14--|
A |-11-11-5-6-----9----------9-10-11--11pm-11pm11pm11pm11pm-9-8-14--|
[Riff 2a]
B |---------------------------------------------|
F#|---------------------------------------------|
D |---------------------------------------------|
A |--------------------------------------7-4-6--|
E |-9-10--11-11-8-7-11-11-11-9-10-11-8-7-5-2-4--|
A |-------11-11-----11-11-11------11------------|
[Riff 2b]
B |-----------------------------------------------|
F#|-----------------------------------------------|
D |-----------------------------------------------|
A |--------------------------------------7-4-5-6--|
E |-9-10--11-11-8-7-11-11-11-9-10-11-8-7-5-2-3-4--|
A |-------11-11-----11-11-11------11--------------|
[Riff 3a]
B |------------------------------------|
F#|------------------------------------|
D |------------------------------------|
A |------------------------------------|
E |-9-9-9-9-5-6-11-11-11-11-11-10-7----|
A |-9-9-9-9-5-6-11-11-11-11------------|
[Riff 3b]
B |------------------------------------|
F#|------------------------------------|
D |------------------------------------|
A |------------------------------------|
E |-9-9-9-9-5-12-11-11-11-11-11--------|
A |-9-9-9-9-5-12-11-11-11-11-----------|

After the second time Riff 3b is played, there's a small break where you just need to play the 11th fret on 
the 4th string with some vibrato before going back to Riff 1a

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| pm - palm mute
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