Eddie Cotton and the Mississippi Cotton Club perform at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Eddie Cotton and the Mississippi Cotton Club perform at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Eddie Cotton and the Mississippi Cotton Club perform at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Jimmy Herring, guitarist, left, and John Bell, guitarist and singer for Widespread Panic, perform with the band at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Big Chief Monk Boudreaux of the Golden Eagles Mardi Gras Indian tribe, performs with the band Voice of the Wetlands All-Stars, at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
A couple dances in shrimp boots as Yvette Landry performs at the Fais Do-Do stage at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Big Chief Monk Boudreaux of the Golden Eagles Mardi Gras Indian tribe, performs with the band Voice of the Wetlands All-Stars, at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Children dance to the sounds of the Second Line Jammers Social Aid and Pleasure Club brass band at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Cajun and country performer Yvette Landry, right, performs with her band at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Cajun and country performer Yvette Landry performs at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
A couple dances in shrimp boots as Yvette Landry performs at the Fais Do-Do stage at the New Orleans Jazz and Heritage Festival in New Orleans, Thursday, May 4, 2017. (AP Photo/Gerald Herbert)
Usher performs with The Roots at the New Orleans Jazz and Heritage Festival on Saturday, April 29, 2017, in New Orleans. (Photo by Amy Harris/Invision/AP)
Leon Bridges performs during the New Orleans Jazz and Heritage Festival at the Fair Grounds in New Orleans on Friday, April 28, 2017. (Brett Duke/NOLA.com The Times-Picayune via AP)
Allen Pazon dances in front of the Jazz and Heritage Stage during the New Orleans Jazz and Heritage Festival at the Fair Grounds in New Orleans on Friday, April 28, 2017. (Brett Duke/NOLA.com The Times-Picayune via AP)
Meschiya Lake and the Little Big Horns perform during the New Orleans Jazz and Heritage Festival at the Fair Grounds in New Orleans on Friday, April 28, 2017. (Brett Duke/NOLA.com The Times-Picayune via AP)
Leon Bridges performs during the New Orleans Jazz and Heritage Festival at the Fair Grounds in New Orleans on Friday, April 28, 2017. (Brett Duke/NOLA.com The Times-Picayune via AP)
Jennie McColl and Bern Pagan, both from the D.C. area, dance during the New Orleans Jazz and Heritage Festival at the Fairgrounds, Friday, April 25, 2017. (Ted Jackson/NOLA.com The Times-Picayune via AP)
Kristin Diable and the City perform during the New Orleans Jazz and Heritage Festival on Friday, April 25, 2017. (Ted Jackson/NOLA.com The Times-Picayune via AP)
Leo Jackson and the Melody Clouds perform in the Gospel Tent during the New Orleans Jazz and Heritage Festival at the Fairgrounds, Friday, April 25, 2017. (Ted Jackson/NOLA.com The Times-Picayune via AP)