Thank you, Helen. I did try at the time contacting the radio station. It's a relatively small community station that no longer has a blues show. In any case, show hosts provide most (or all?) of their own selections.
But I'll bet you are right about Driftin' Blues. Now to try to track down the specific arrangement!
And to Janszoon--hi there!
The rumors of my demise have been greatly exaggerated.
Thanks to everyone--
Jozie