Soulive, Lettuce and Dr. Klaw will be joined by special guests Maceo Parker and George Porter Jr. for Royal Family Ball: MasqueRage, a Jazz Fest late night show that will take place at Mardi Gras World in New Orleans on Thursday, May 1. Tickets to the event are now on sale.

Dr. Klaw is a funk project fetauring Eric Krasno, Adam Deitch and Nigel Hall of Lettuce with Ian Neville and Nick Daniels of Dumpstaphunk.