Gnawa or Gnawia is a really popular music in the south of Tunisia especially in the western south that is called Stambali and the Benga in the city of Nefta which is the town that is the most interested in this music in Tunisia, we can find many local band that are specialized in this music and do many musical works in the occasions, international festivals, holidays and what is called "Dakhla" like the Dakhla of Sidi Merzouk in Nefta, which is an exhibition where many Gnawa bands participate, play and delight the audience, the exhibition starts from the nearest part of town until it reaches the end which is five kilometers far from the starting point.