Here is how i play it based of the performance  at the Apple Keynote.
Here is my cover of it    http://www.youtube.com/watch?v=t_PtGlC2YHs
it sounds good if you use Open G tuning, but either way is good.

Em (022000@1)              C (x32010@1)       D (xx0232@1)       GThose (320003@1)wedding bells are ringing up upon that hill
    Em (022000@1)          C (x32010@1)             D (xx0232@1)      GAnd (320003@1)I don't wanna swallow such a bitter pill
Em (022000@1)        C (x32010@1)          D (xx0232@1)      GYou (320003@1)keep on moving, but, I stay still
      D (xx0232@1)                    C (x32010@1)     GBut (320003@1)I always loved you and I always will

G   D/F#

Em (022000@1)        CDays (x32010@1)of no sleeping
D (xx0232@1)       GCaked (320003@1)in mud
Em (022000@1)         C (x32010@1)   D (xx0232@1)      GAll (320003@1)kinds of poison in my blood
Em (022000@1)      C (x32010@1)            D (xx0232@1)    GI (320003@1)lost the only thing I ever loved

Dsus4
Oooh  oh oh oh

Em (022000@1)        C (x32010@1)        D (xx0232@1)            GI (320003@1)heard them ringing and processioning by
Em (022000@1)      C (x32010@1)     D (xx0232@1)         GUmbrellas (320003@1)in the clear blue sky
Em (022000@1)     C (x32010@1)        D (xx0232@1)             GI (320003@1)saw you swimming in that sea of white

Dsus4
Oooh oh oh oh

Em (022000@1)   C (x32010@1)               D (xx0232@1)             GAnd (320003@1)wedding bells ringing up upon that hill
       Em (022000@1)        C (x32010@1)                D (xx0232@1)     GAnd (320003@1)I don't wanna swallow such a bitter pill
Em (022000@1)     C (x32010@1)               D (xx0232@1)   GYou (320003@1)keep on moving, baby, I stay still
D (xx0232@1)                           C (x32010@1)     GI (320003@1)always loved you and I always will

G (320003@1)  D/F#Ooooh (200232@1) oh

Em (022000@1)        C (x32010@1)     D (xx0232@1)      GI (320003@1)loved you and I see it still
D (xx0232@1)                                C (x32010@1)      GI (320003@1)always loved you and I always will
              Em (022000@1) C (x32010@1)  D (xx0232@1)  GSinging, (320003@1)lalalalalalalalala
   Em (022000@1)                 C (x32010@1)               D (xx0232@1)         GIf (320003@1)everything that went before didn't matter, so
Em (022000@1)C (x32010@1)   D (xx0232@1) GLalalalalalaa (320003@1)
D (xx0232@1)                    C (x32010@1)       GI (320003@1)always loved you and I always will