For those looking to play this song on an acoustic guitar this was how I sounded it out.

Intro (Sounds strange because of brass section)
C-G-Am-F
C-G-F-G

C (x32010@1)                    GI (320003@1)still remember that night it was the fourth of July

Am (x02210@1)                  E (022100@1)                  FStill (133211@1)engraved in my mind and I'm not sur-prised

F (133211@1)          CGang (x32010@1)wars no guns hand to hand

F (133211@1)                                      G (320003@1)               CYou're (x32010@1)black I'm white he's purple but I still don't under-stand

C (x32010@1)                  GI'm (320003@1)gonna be alright I'm gonna be okay

Am (x02210@1)                      C (x32010@1)      FEverything (133211@1)is going to be fi-i-i-i-ine

F (133211@1)              Cback (x32010@1)off cause I wanna be alone

F (133211@1)                            G (320003@1)                        FI (133211@1)want to think it out and I'm thinking that I want to go home.

F (133211@1)                 AmLook (x02210@1)who's laughing now.

F (133211@1)              GI'll (320003@1)pull it off somehow.
(Chorus)
F (133211@1)             G (320003@1) C (x32010@1)             Am (x02210@1)  FAs (133211@1)I passed her by, I could see her cry-y-y

F (133211@1)            G (320003@1)        C (x32010@1)                  Amand (x02210@1)I'll never forget the look that was in her eye

F (133211@1)     G (320003@1)                      C (x32010@1)           Amand (x02210@1)the music you know it played on & and on & on

Am (x02210@1)name="chord_133211@1">F                             G (320003@1)      Cso (x32010@1)won't somebody tap her on the shoulder tell her life goes on.

C-G-Am-F
C-G-F-G

C (x32010@1)              G3 (320003@1)years 2 months 1 week 4 days

Am (x02210@1)                                 E (022100@1)             FI'm (133211@1)always counting down cause there ain't no easier way

F (133211@1)          Ctrust (x32010@1)me you know that I tried

F (133211@1)                                G (320003@1)                Cand (x32010@1)if I said it was easy then you know that I told a lie.

C (x32010@1)          G (320003@1)   AmI'm (x02210@1)going to be al-right

Am (x02210@1)         C (x32010@1)     FI'm (133211@1)going to be just fine.

F (133211@1)           COne (x32010@1)down five billion to go.

F (133211@1)                            G (320003@1)            FAm (133211@1)I the next in line and do I really want to know?

F (133211@1)                 AmLook (x02210@1)who's laughing now.

F (133211@1)              GI'll (320003@1)pull it off somehow.
(Chorus)
F (133211@1)             G (320003@1) C (x32010@1)             Am (x02210@1)  FAs (133211@1)I passed her by, I could see her cry-y-y

F (133211@1)            G (320003@1)        C (x32010@1)                  Amand (x02210@1)I'll never forget the look that was in her eye

F (133211@1)     G (320003@1)                      C (x32010@1)           Amand (x02210@1)the music you know it played on & and on & on

Am (x02210@1)name="chord_133211@1">F                             G (320003@1)      Cso (x32010@1)won't somebody tap her on the shoulder tell her life goes on.

___________
The rest of the song is repetition of all of the same chords mostly with just the two 
back to back.
If you look up the lyrics or listen to the song you'll see what I mean but its pretty 
to figure out.