Advocate staff photo by ELIOT KAMENITZ-- Musician Bela Fleck, left, does a sound check with Sheraton New Orleans Fais Do-Do stage crew member Josie Hoaggard before the opening of the on the third day of the New Orleans Jazz and Heritage Festival Presented by Shell in New Orleans, La. Sunday, April 26, 2015. Music and mud seem to be the venue of the day in some areas of the festival grounds. Fleck is schedule to play the Fais Do-Do Stage at 3 p.m. The festival continues next Thursday and continues through Sunday.