Freres Bouchenak - Salou Ala El Hadi
https://www.youtube.com/watch?v=HrnrVTuy2Kk
Hamid, Omar, Mohamed and Reda, the Bouchnak brothers or Rai Knights, were raised in a family of artists from Oujda.
They won the first prize in the "Adoua El Madina" contest with their first song "Jennouni" recorded in 1983. https://www.youtube.com/watch?v=VPEkkad02P4