The bells or xylophone or whatever in the intro is just Am G F x 3, then E, but played like...

A---77----55---33---33----|
E-5-----3----1----1-------|

x3, then

A---22---22---22---22-------------|
E-0----0----0----0----------------|

You can play the chords for the song or play the rhythm like it is above, both sound 
Here's the chords with the words for the whole song.

Am (x02210@1)                G (320003@1)                   FFor (133211@1)four four nights I have fled from my fortress
Am (x02210@1)         G (320003@1)                FForaging (133211@1)forests five footsteps in length
Am (x02210@1)         G (320003@1)                   FFortitude (133211@1)found within forty ounce bottles
Am (x02210@1)              G (320003@1)                       FFlowing (133211@1)like flies from your face
EFrom (022100@1)your face

Am (x02210@1)              G (320003@1)                       FMy (133211@1)neighborhood has been filled brim with black cats
       Am (x02210@1)            G (320003@1)                  FAnd (133211@1)when I go driving they walk in my path
EAll (022100@1)the time, every time
                    Am (x02210@1)            G (320003@1)               FLa (133211@1)da dada dum da da dum da da dum
                    Am (x02210@1)              G (320003@1)               FLa (133211@1)deeda da dum da da dum da da dum
                      Am (x02210@1)            G (320003@1)               F (133211@1)   
                                 ELa (022100@1)deeda da dum da da dum da da dum da da dum da da dum

Am (x02210@1)                G (320003@1)                    FFirst (133211@1)we were babies, we're birthing and dying
Am (x02210@1)                 G (320003@1)                       FThen (133211@1)we were children, we're playing and crying
Am (x02210@1)                   G (320003@1)                 FThen (133211@1)we're teenagers we're smoking and fucking
Am (x02210@1)                G (320003@1)                    FNow (133211@1)we're all grownup and we're sadly sighing
        Am (x02210@1)             G (320003@1)                 FAnd (133211@1)lacking but lurking and licking our wounds
                Am (x02210@1)       G (320003@1)                FWe've (133211@1)created by lusting and lying
ETo (022100@1)ourselves and to others
                    Am (x02210@1)              G (320003@1)             F (133211@1)     
                         EWe're (022100@1)sadly sigh-hyhy-hy-hyhy-hyhy-hy-hyhy-hy-ing
                    Am (x02210@1)              G (320003@1)             F (133211@1)     
                               EWe're (022100@1)sadly sigh-hyhy-hy-hyhy-hy-hyhy-hy-hyhy-hy-ing
                    Am (x02210@1)              G (320003@1)             F (133211@1)     
                                EWe're (022100@1)sadly sigh-hyhy-hy-hyhy-hy-hyhy-hy-hyhy-hy-ing
                    Am (x02210@1)              G (320003@1)             F (133211@1)     
                         EWe're (022100@1)sadly sigh-hyhy-hy-hyhy-hy-hyhy-hy-hyhy-ing

        Am (x02210@1)          G (320003@1)    FAnd (133211@1)I'd like to be a big ball of meat
        Am (x02210@1)     G (320003@1)         FFor (133211@1)bees to buzz around and eat
             EWhen (022100@1)I die, so I might be granted
                        AmOne (x02210@1)sense of purpose

END

Almost 100% sure on this. Correct it if I'm wrong.