Mass Hysteria is a French fusion band formed in 1993.Created in 1993, the band recorded its first album, Le Bien-être et la Paix (the well-being and the peace), only four years later. After this album, Mass Hysteria earned an important audience for its kind of music (more than 50 000 units sold for "Contraddiction" and "De cercle en cercle" in 1999 and 2001) in France.In the media, Mass Hysteria is known for some controversies and incidents around them. But some medias also noticed the quality of its music and its growing success.Mass Hysteria is known for its eclecticism, combining metal, rap, rock and pop.