Tomorrow is the inaugural Krewe du Kanaval—a one-day event in New Orleans founded by Arcade Fire’s Win Butler and Régine Chassagne, in collaboration with Preservation Hall. Ahead of the celebration, Butler, Chassagne, the Preservation Hall Horns, and Haitian group RAM have shared a new track. It’s called “Ann Ale! (Let’s Go!)” and it’s the theme song for Krewe du Kanaval. Listen below. Krewe du Kanaval will feature performances from Win Butler, Régine Chassagne, the Preservation Hall Jazz Band, RAM, and others. All proceeds benefit Preservation Hall Foundation and KANPE, the nonprofit cofounded by Chassagne.