Advocate staff photo by ELIOT KAMENITZ-- Tony Knott from England and Sirah Laub of New Orleans dance to the music of the PresHall Brass on the Capital One Bank Stage in Jackson Square as the first day of the 31st Annual French Quarter Festival gets underway with opening stages along the riverfront and Jackson Square in New Orleans, La. Thursday, April 10, 2014. Music ranging from jazz to zydeco fill the air with music along with many food booths. The festival claims to be the largest free festival in the world. The festival runs through Sunday.