It's called "99 Year Blues" and can be found on Hot Tuna's third album "Burgers".

Jorma uses a lot of minor chords in some of his 'blues', stretching the definition a bit.

Check out his recent "Blue Country Heart". It was available at a bargain price through the close-out types on eBay. It has a lot of the New Acoustic 'regular suspects' like Jerry Douglas.