Irma Thomas

Stevie Wonder, Tom Petty, Maroon 5 to headline Jazz Fest

Stevie Wonder, Tom Petty & The Heartbreakers, Maroon 5, Usher and Dave Matthews are among some of the big names playing at this year's New Orleans Jazz & Heritage Festival.

The lineup, announced Friday, includes more than 500 bands covering a diverse array of musical styles over more than a dozen stages set up at the New Orleans Fair Grounds Race Course.

"All but about 80 of the acts are local," festival organizer Quint Davis said, enthusiastically. "We've evolved to a point though where every stage, every day has at least one national act. It's taken awhile to get to that point, but we're there."

Davis said he was encouraged by the...