It's a 12 bar blues in G flat.

Remember to flatten all these chords.

G, G, C, D, G, G
C, C, C, D, G, G
D, D, C, C, G, G
Repeat.

Here are the tabs:

         ____________________________
        |2,3...
e|-----||---------2-----------------------2-----------2---|
b|-----||-----2---2-2-----4-----6-----2---2-2-----2---2-2-|
g|-----||.----3-----3-----4-----6-----3-----3-----3-----3-|
d|-----||.----4-----4-----4---6-------4-----4-----4-----4-|
a|-----||-------------0-2---4-----------------------------|
e|-0-0-||-0-2---2-----------------0-2---2-----0-2---2-----|

e|---------------------------------2-----------2---|
b|-----4---4-------4---6-------2---2-2-----2---2-2-|
g|-----4---4-4-----4---6-6-----3-----3-----3-----3-|
d|-----4-----4-----4-----6-----4-----4-----4-----4-|
a|-0-2---2-----0-2---4-----------------------------|
e|-------------------------0-2---2-----0-2---2-----|

e|---------------------------------2-----------2----||
b|-----6---6-------4---4-------2---2-2-----2---2-2--||
g|-----6---6-6-----4---4-4-----3-----3-----3-----3-.||
d|-----6-----6-----4-----4-----4-----4-----4-----4-.||
a|-0-4---4-----0-2---2------------------------------||
e|-------------------------0-2---2-----0-2---2------||

The solo is just blues in G flat, using this pattern:

e|----------9----12--14--|
b|-----------10--12-(14)-|    Numbers in brackets are only bent to, 
g|----------9--11---(14)-|    they are never picked.  
d|-------7--9--11--------|    All fills are in this pattern as well.
a|-------7--9------------|
e|-2--5--7--9------------|