Hi, that's an approach of the gimmik played by ali farka toure in the song "Kala" 
with Toumani Diabaté on the Kora.

E|------0---------------0----------1------1------1---------|
B|----1---------------1----1-----1------1------1-----1-0---|
G|--0---------------0--------0-2------2------2-------2-----|
D|---------2------------2----------3---------------3-------|
A|-------------3----3----------0---------------------------|
E|---------------------------------------------------------|

E|------0---------------0------------1-------1------1------|
B|----1---------------1----1-----0h1------1------1-----1-0-|
G|--0---------------0--------0-2--------2------2-------2---|
D|---------2------------2------------3---------------3-----|
A|-------------3----3----------0---------------------------|
E|---------------------------------------------------------|

and repeat with little variations ...