Dustin Dale Gaspard, Friday May 5 at 2:50 p.m., AARP Stage

Dustin Dale Gaspard makes his Jazz Fest debut this year. It’s a career breakthrough for the soul and swamp pop-inspired singer songwriter from southwest Louisiana. Upon learning he’d be on the Jazz Fest roster, Gaspard felt relieved and grateful. “It was something that I needed in that moment,” he recalled. “I’d been wondering if this whole music thing ...