E|---------1----0-----------------------------------3------2-----2p0-----|
B|---3-----3----3-----3----------3------2-----------2------3-----3-------|
G|--------------------2-----2-----------------2--------------------------|
D|------0---------0------0----------0------2-----------2------0------0---|
A|--------------------------------------0--------0-----------------------|
E|---3-------3--------2--------2---------------------------2-----2-------|

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

G
And if you ask him

F#                        Bm
How he sings his blues so well

He says:

[For "I gotta soul that I won't sell", just keep the G major shape and walk down and up 
with your thumb on the low E string on every beat: 3, 2, 0, 2
    G                A                Riff
And I don't read postcards from hell