The council of Etoile du Nord has announced that the cultural season 2005-2006 started with a rock and roll concert on Sunday September 11 at 15:00. La Presse reports that four rock and roll groups took part in the concerts. The bands were namely Tchi-Hi-Say, Ragnarok, Out body Experience and Chaka. Tchi-Say is a young group formed in 2004 by Raed Zaafouri ,Houcem Dlala and Raed Zaafouri. Ragnarok is also a young group, which was formed in 2004 by Seif Gharbi, Mohamed Bakhti and Omar Hamida. The other two groups are comparatively older. Out body Experience was formed in 2001 by Slim Dridi and Zied Ben Taher while Chaka was formed in 2002 by Anis Tayeb, Taha Ennouri, Ghassen Bellamine, Walid Damek.