Founder and director of the association Boumchaka, Sylvain Mengel is also in charge of the booking for the association’s concerts, festivals (Boumchaka festival, Freeeeze, Boulibatsch…) and workshops all over the region of Lorraine. Since 2004, Boumchaka has hosted artists such as Hocus Pocus, Mobb Deep, Cocoon or Mos Def just to name a few.