Trombone Shorty & Orleans Avenue have announced some of the special guests for their upcoming Treme Threauxdown at New Orleans’ historic Saenger Theatre during Jazz Fest. The special event—slated to take place on Saturday, April 25—will feature guest appearances from Allen Toussaint, Ivan Neville and the New Breed Brass Band, with many more to be announced. As previously reported, the concert will be the band’s largest hometown headlining show to date.

Tickets for the Treme Threauxdown are still on sale.