EGG YOLK JUBILEE: THURSDAY, MAY 4—LAGNIAPPE STAGE, 5:30 P.M.

For 20 years now, the members of Egg Yolk Jubilee have practiced in the “Jefferson Orleans North” ballroom in Metairie, performing their songs for what looks like an empty senior prom. The seven current band members set up their gear on the dancefloor. Long white drapes frame the vast main room. In the hall’s center...