i'm pretty sure this is how to play it.standard tuning(EADGBe)
key legend 
p=pull off      
h=hold
  intro:   
e ------------------------------------------------------------------------------------------------------------------------  
b ------------------------------------------------------------------------------------------------------------------------
g -1--1h2p1---------------1--1--1h2p1---------------2---1--1h2p1----------------2---1--1h2p1--4------
d -2-------------------4------2-----------------------4----2-----------------------4------2----------------------4--
a -2------------2--0-----2---2---------------2--0--------------------------2--0----2-------------------------2---
e -----------------------------------------------------------------------------------------------------------------------

  intro2:

e ---4---------4--------2-------5-----2----4--------4---------2----------5-------2-------------------------------
b -----5--5-----5--5----5--5---5--5--------5--5----5--5------5--5------5--5----------------------------------
g -------4--4-----4--4----4--4---4-----------4--4-----4--4------4--4------4-----------------------------------
d -----------------------------------------------------------------------------------------------------------------------
a -----------------------------------------------------------------------------------------------------------------------
e -----------------------------------------------------------------------------------------------------------------------


   verse:

e ------------------------------------------------------------------------------------------------------------------------
b ------------------------------------------------------------------------------------------------------------------------
g ----------------44444----------------44444----22222----44444----22222--------------------------------
d ---22222----44444----22222----44444----22222----44444----22222-------------------------------
a ---22222----22222----22222----22222----00000----22222----00000-------------------------------
e ---00000-----------------00000----------------------------------------------------------------------------------

   chorus:

e -------------------------------------------------------------------------------------------------------------------------
b -------------------------------------------------------------------------------------------------------------------------
g ------------------44444----22222----44444-----------------44444----22222----44444-----------------
d -----22222----44444----22222----44444----22222----44444----22222----44444-----------------
a -----22222----22222----00000----22222----22222----22222----00000----22222-----------------
e -----00000-------------------------------------------00000-------------------------------------------------------


     that's about it.good luck