the story goes into how his house in the Lower 9 was flooded 15' by Katrina, but that he managed to ride it out on the 3d floor until rescue.
I always associate "Ain't that a Shame" with Cheap Trick at the Budokan, which is probably appalling to those who know his version. He's far enough before my time that I did not get just how many records he sold at his peak.