Very easy, very beautiful song. The whole song is these four chords, fingerpicked:

C:     x32010
D9:    x54030
Em9/B: x24030
Em:    022000

C (x32010@1)                    D9  
Lovers accustomed to tragedy
Em9/B                     Em (022000@1)            CSee (x32010@1)every kiss in the window across the street
               D9              Em9/B          EmBreezes (022000@1)and blessings passing by, ah ooh-oh.

Enjoy.