Composer: Willie Dixon
Album: Idlewild South
Tabber: ecfanrm826
I'm pretty sure this is right 
Key of A blues
Intro Riff                             
e|----------------------------------|---------------------------------|
B|----------------------------------|---------------------------------|
G|----------------------------------|---------------------------------|
D|-----------------------7-5--------|-----------------------7-5-------|
A|-------------5---5-6-7------7-----|-------------5---5-6-7-----5-6-7-|
E|-5-5-5-8-5-8---8--------------8-5-|-5-5-5-8-5-8---8-----------------|

Main Riff  This is what the bass plays but for guitar 
E|---------------|---------------|
B|---------------|---------------|
G|---------------|---------------|
D|---------------|---------------|
A|---5-----------|---5-----------|
E|-5---5-8-5-5-5-|-5---5-8-5-5-5-|

Main Riff                         ~~~~~
E|---------------------|---------------|
B|---------------------|---------------|
G|---------------------|---------------|
D|---------7-5---------|---------------|
A|---5---------7-5-----|---5-----------|
E|-5---5-8---------8-5-|-5---5-8-5-----|
It may be confusing but listen to the song. if you want me to tab out the leads and
solos say so in the comments