Piano blues piece

Ello,

yesterday I attended a viewing of this episode of The Blues, but I didn't make notes. There appears a piano piece with a very catchy tune, I think it was also present on the menu's DVD that I watched. I don't have the DVD in my possession, so I cannot double check, but does anybody know the title of the piece? It was even almost copied by a band later, in the sixties.

So if anybody knows, please tell me.