Sugarland will join Wynton Marsalis, Aretha Franklin, Dave Matthews Band and James Taylor at the 40th annual New Orleans Jazz & Heritage Festival held April 24-26 and April 30-May 3. Known as Jazz Fest, the event also features Emmylou Harris, Doc Watson, Avett Brothers, Patty Griffin, Marc Broussard, Del McCoury Band and Guy Clark, among hundreds of others. Tickets are now on sale. A limited number of discount ticket packages including tickets to each day of a particular weekend of the festival will be offered for the first time this year.