There’s a lot going on during the French Quarter Festival, and it takes a big brain to keep track of it all. OffBeat wants you to be that big brain, so here’s our guide to all the jazz, blues, Cajun, zydeco, funk, soul and rock ’n’ roll that takes place on 17 stages arranged in the French Quarter between Bourbon Street and the Mississippi River. Pay attention—there will be a quiz.

These listings were accurate at press time; stages and schedules are s...