This is a tab based off their original recording
http://www.youtube.com/watch?v=o8YHVQGfFLs

CAPO: 1st
 
CHORDS:
D  (000232)
A  (002220)
Bm (224432)
G  (320003)

INTRO:
--2--0--3-3-3-3|
--3--3--3-3-3-3|
--2--2--2-2-2-2| x3
--0--0--0-0-0-0|
---------------|
---------------|

VERSE 1:
DI (xx0232@1)swear that someday
AI'll (x02220@1)tell you without lying
      BmI (x24432@1)was born to quit smoking
      GI (320003@1)was born to quit dying

VERSE 2:
        DOn (xx0232@1)that day, not doing heroin
A (x02220@1)                 
Will be easy as piss
            BmAnd (x24432@1)on that day I'll stop talking so much 
Gshit (320003@1)about the government

CHORUS:
D (xx0232@1)                             A'Cause (x02220@1)urine speaks louder than words
               BmOn (x24432@1)a politician
                     GOr (320003@1)on a prison warden

Urine speaks louder than words

VERSE 3:
DI (xx0232@1)swear that today
      AI (x02220@1)was born to be living!
      BmI (x24432@1)was born to be singing!
      GI (320003@1)was born to be fighting

VERSE 4:
                  DBut (xx0232@1)will somebody say
                   AIs (x02220@1)this resistance or a costume party?
BmEither (x24432@1)way I think black
     Gwith (320003@1)bandanas is a boring theme

VERSE 5:
DI (xx0232@1)don't gotta tell ya
ACrackers (x02220@1)are great with amnesia
BmWhen (x24432@1)you wanna forget something like
GCenturies (320003@1)of racism

VERSE 6:
DThey (xx0232@1)say look at the man
          AOn (x02220@1)center stage and pay no attention
BmWhile (x24432@1)millions get locked in a cage
GRiots (320003@1)break out in Oakland

CHORUS:
D (xx0232@1)                             A'Cause (x02220@1)urine speaks louder than words
               BmOn (x24432@1)a politician
                      GOr (320003@1)on a Bart policeman

Urine speaks louder than words