Bob Marley - Africa Unite Bass

Song Name- Africa Unite
Artist- Bob Marley
Album- Disc 4 (Songs of Freedom box set)

Intro/Chorus 
G |-----------------------------------|
D |-----------------------------------|
A |------------5-5-5-----7-7-7----7-7-|
E |--3-3-3----------------------------|

Verse
G |--------------------------|
D |--------------------------|
A |---2-3-----5-5-5----7-5---|
E |-3----------------------7-|

This is just a rough outline, some parts 
I have still not firgured out but you get
the picture.
There is some variation in the Intro/Chorus, 
sometimes it is played like this...

G |-----------------------------------|
D |-----------------------------------|
A |------------5-5-5-----7-7-7----5-7-|
E |--3-3-3----------------------------|

or like this...

G |-------------------------------------|
D |-------------------------------------|
A |------------5-5-5-----7-7-7----7-7-7-|
E |--3-3-3------------------------------|

             ...One Love...