Orchestra Coïncidences, for ensemble of 35 musicians (1999, ca. 11′) De l’art d’induire en erreur (on the art of misleading), for 3 amplified voices and Orchestra (ca. 25′) Hérédo-ribotes, for solo viola and 51 orchestra musicians (2001, ca. 18′) Pour Orchestre, for big orchestra –unfinished- (2008, ca. 17′)