This tab was written by YouTube user MrUnderhill1289.
And this song is from the
"Watchmen - Original Motion Picture Score Soundtrack"

Play this song/intro with some reverb
in standard tuning.

Here is the original link to the tab and video:
http://bit.ly/bxSQRp
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e----------------------------------------------|
B------9------------------------9--------------|
G-------9-------------------------9---------9--|
D-----------777--9---------------777-96--------|
A----------------------------------------------|
E--0--------------------0----------------------|

e----------------------------------------------|
B------9-----9-10-9----12--14--10--9-----------|
G-------9--------------------------------------|
D----------------------------------------------|
A----------------------------------------------|
E--0-------------------------------------------|

e--------------------------------------------11-|
B--------9-----------------------------------12-|
G----------9---------------9-----------8-9------|
D--------------777-9-6-------------9------------|
A-----------------------------------------------|
E--0-----------------------------7--------------|

e------------------------------------|
B-------------7----------12----------|
G----------8-------------13----------|
D-------9----------------------------|
A----0-------------------------------|
E------------------------------------|