Riff A
E|----------------------------| This is the opening riff.
B|----------------------------| It is played during most of
G|----------------------------| the song.
D|----------------------5---5-|
A|------2-2---3-3--4-4--5---5-|
E|-3-3------------------3-3-3-|

After this riff is repeated, then it goes into a C5 position.

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


Chorus:

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

During the harmonica solo, play this riff.

E|---------------| Repeat this for the rest of the harmonica
B|---------------| solo.
G|---------------|
D|-5--5---5------|
A|-5--5---5------|
E|-3--3-3-3------|

The guitar solo easy to play because it is in the key of G.
Just play out of the G blues box.
Here is some of the solo:

E|--------------------~~~~~~----------------------~~~~~~-|
B|-------------------------------------------------------|
G|---------3-5| B--3-3----------5-5B-5B-3------------------|
D|-5-5-5-5-----------5------------------5-5-5--3-5-------|
A|-------------------------------------------------------|
E|-------------------------------------------------------|