Hi All, this is a great song and credit to the person that put it up. 
I've made a few additions/changes to capture Christy's beat on this. 
It's just a half or quarter bar on the second cord on each line but if you listen 
to the song you'll pick it up.

(1)      G (320003@1)                  C (x32010@1)    G (320003@1)     As they went home on an Easter Road
          C (x32010@1)                 F (133211@1)    G (320003@1)    On a silent night trying not to show
     C (x32010@1)                F (133211@1)      G (320003@1)    Who goes where and who goes when
              F (133211@1)                          C (x32010@1)  G (320003@1)    Thinking some day soon they'll get it back again

(2)           G (320003@1)                  C (x32010@1)     F (133211@1)    From the ghetto in Capetown to dig the gold
     C (x32010@1)             F (133211@1)      G (320003@1)    Little Boy Blue can't be sold
     C (x32010@1)                  F (133211@1)     G (320003@1)    Under tin roof and a plastic wall
              F (133211@1)                          C (x32010@1)      G (320003@1)    Thinking some day soon we re going to leave it all

(chorus)     C (x32010@1)                    G (320003@1)       F (133211@1)    And the Renegades sing all the renegades songs
             Am (x02210@1)                       F (133211@1)   G (320003@1)  
     And the ones who know hope they're doing wrong
         F (133211@1)    The blacks and the coloureds play
              G (320003@1)     The Biko Drum
         F (133211@1)    The blacks and the coloureds play
         G (320003@1)  Am (x02210@1)     The Biko Drum
     F (133211@1)                G (320003@1)
     Listen to the Biko Drum

(3)  G (320003@1)                 C (x32010@1)       G (320003@1)    Transvaal kids on a Transvaal day
     C (x32010@1)                   F (133211@1)      G (320003@1)    Little by little they show the way
          C (x32010@1)                F (133211@1)   G (320003@1)    To a city of dreams and solid ground
              F (133211@1)                       C (x32010@1)  G (320003@1)    Thinking some day soon we're gonna come around

(4)  G (320003@1)                 C (x32010@1)    G (320003@1)    Steve's living in a prison cell
     C (x32010@1)                                 F (133211@1)   G (320003@1)    All the friends that know hope he's doing well
          C (x32010@1)                     F (133211@1)  G (320003@1)    Down here they listen to the Biko Drum
          F (133211@1)                     C (x32010@1)      G (320003@1)    Down here they listen to the songs he sung

(chorus)     C (x32010@1)                    G (320003@1)       F (133211@1)    And the Renegades sing all the renegades songs
             Am (x02210@1)                       F (133211@1)   G (320003@1)  
     And the ones who know hope they're doing wrong
         F (133211@1)    The blacks and the coloureds play
              G (320003@1)     The Biko Drum
         F (133211@1)    The blacks and the coloureds play
         G (320003@1)  Am (x02210@1)     The Biko Drum
     F (133211@1)                G (320003@1)
     Listen to the Biko Drum

(5)  G (320003@1)                  C (x32010@1)    G (320003@1)    Nelson listen to the people sing
     C (x32010@1)                F (133211@1)      G (320003@1)    Nelson Mandela the people's king
     C (x32010@1)                    F (133211@1)         G (320003@1)    Twenty-five years in a white man's jail
     F (133211@1)                           C (x32010@1)       G (320003@1)    Twenty-five years we couldn't make him say

(chorus)     C (x32010@1)                    G (320003@1)       F (133211@1)    And the Renegades sing all the renegades songs
             Am (x02210@1)                       F (133211@1)   G (320003@1)  
     And the ones who know hope they're doing wrong
         F (133211@1)    The blacks and the coloureds play
              G (320003@1)     The Biko Drum
         F (133211@1)    The blacks and the coloureds play
         G (320003@1)  Am (x02210@1)     The Biko Drum
     F (133211@1)                G (320003@1)
     Listen to the Biko Drum

(outro - play 2x)
     F (133211@1)                G (320003@1)  Am (x02210@1)    Listen to the Biko Drum
     F (133211@1)                G (320003@1)  Am (x02210@1)              the Biko Drum
     F (133211@1)                G (320003@1)  Am (x02210@1)    Listen to the Biko Drum
     F (133211@1)                G (320003@1)