It is hard to pick up the guitar with jb's amazing vocals so this is the intro, im 75% 
correct

standard tuning
e
B
G
D
A
E
       ~~~~~
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|--0--0--------9-XX--0--0--0--0---0--0--0----0--0-0--0--0--0--0-0-----------|
{ONLY ONCE}   {^ REPEAT   ^     ^      THIS      ^         TWICE ^}


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|--9-XX-11--9-11-11--11-11-11----0-X-X--0--0--0--0---0--0--0----------------|
|--0-XX--0--0--0--0---0--0--0-----------------------------------------------|

{REPEAT ALL}