This is the riff being played throughout the entire song basically. Have fun with it!
[ Tab from: http://www.guitaretab.com/z/ziggy-marley/71407.html ]
C# G# Dm#
|-----------------------------------------------------------------|
|--------------------------------------x-7------------x-7---------|
|-----x-6-------------x-5--------------x-8------------x-8---------|
|-----x-6-------------x-6--------------x-8------------x-8---------|
|-4-4--------4-6------x------4-4/6-6-------------6-6---------6--8/|
|----------------4-4-------6----------------6-9-------------------|