Le Bitu is a book which compiles a register of numerous commercium songs. As an important part of student folklore, it is considered a must-have for students who want to be involved in societies in the French-speaking part of Belgium. Le Bitu was revived as the Petit Bitu in the 80's by Pierre-Noël "Pernod" Boonen and Michel "Mamelle" Henry de Generet, who allegedly spent nights printing the first versions on stencils. Nowadays, a society of Université catholique de Louvain, the Academicus Sanctae Barbae Ordo, manages the publishing of what is now known as the Bitu Magnifique.