Festival dijadwalkan dari 24 Apr hingga 04 Mei 2003 (10 hari).
New Orleans Jazz & Heritage (Jazzfest) berlangsung di New Orleans, United States. Berikut adalah alamat lengkap festival: 1205 N Rampart St, New Orleans, LA 70116, United States
John Mayer, Blue October, Bob Dylan, Buddy Guy, Los Lobos, Gladys Knight, Lucinda Williams, Ben Harper & The Innocent Criminals, Widespread Panic, North Mississippi Allstars.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
blues
rock
jazz
blues rock
rhythm and blues
rnb
classic rock
americana
acoustic
jam
alternative
instrumental
oldies
indie
jam band
new orleans rhythm and blues
piano
roots rock
chicago blues