Billy Joel, Maroon 5, Willie Nelson, Fleetwood Mac and Hall And Oates are among the acts headlining this year's New Orleans Jazz and Heritage Festival.

The outdoor spring music festival spans seven days over two weekends, and spans genres including jazz, gospel, rhythm and blues, Cajun and zydeco. In all, hundreds of acts will perform on about a dozen stages on April 26-28 and May 2-5.

Other acts include Earth Wind And Fire, Dave Matthews Band, John Mayer, Jill Scott, Widespread Panic and BB King.

Most of the line-up is from Louisiana and includes festival favourites Irma Thomas, jazz singer-pianist Allen Toussaint and Troy 'Trombone Shorty' Andrews.