Here is how I play it.standard tuning from low to high EADGBE.

  intro/verses:Em,G,D,C,Em
  Chorus:D,C,Em
  Interlude:E-----------------------------------------
            B-----------------------------------------
            G-----------------------------------------
            D---------0-0-----------------------------
            A-------------3-3-3-3--X2-----------------
            E--0-0-3-3--------------------------------
 That's it,enjoy