The songs are compiled in what the students refer to as the codex, which contains the club anthems of most student organisations and hundreds of songs in various languages, such as Dutch, French, English, German, Latin and Afrikaans.
The French-speaking students from Brussels use the Carpe Diem published by the Guilde Polytechnique or Les Fleurs du Mâle published by the Union des Anciens Etudiants de l'ULB.