Les Rieurs is a French hip-hop group formed in 1994 in Boulogne-Billancourt by Kassim Hadji (stage name Kasspapazo), Style, and Dhimé, with DJ Pone joining later. Their first appearance came in 1996 on Cut Killer's Hip Hop Soul Party 3 with the track "À fond dans le style", featuring IAM, K-mel, and J-Mi Sissoko. After signing with Faster Jay's Kif Records, they released the maxi L'espoir prend forme in 1998 and followed with Faudrait leur dire in 2001. The group issued their debut album, Ça y est enfin, on October 2, 2001, which featured guest appearances by Leeroy and Sly the Mic Buddah. In 2003, they released the street album Juste 1 démo, while Hadji pursued solo work, producing tracks such as "Ma conscience et moi" (2007) and the EP À cœur ouvert (2011).