After a two year absence, that Charity Hospital baby, that internationally known recording star, the New Orleans legend, none other than Ernie K-Doe, a.k.a. Emperor of the World, will be back at the 31st annual New Orleans Jazz and Heritage Festival. Make no mistake. Mark May 4 on your calendar and come hurricane or heat wave, you better make certain you get to the Fair Grounds to see the incredible Ernie K-Doe.

“Everything between me and the Jazz Fest is alright,” confirmed K-Doe on a sun...