JeanJass

A key figure in Belgian rap, JeanJass first established himself as part of the duo Caballero & JeanJass, a formation that left its mark on the Francophone scene with its command of words and production. As a rapper, beatmaker and producer, he has crafted a clear sonic signature—precise technique, personal storytelling and a studio ear that attends to every detail. From Grünt 71 to a first notable solo performance at the Grünt Festival, he now pursues a solo trajectory where introspection finds its place without losing the effectiveness that brought him recognition. On stage, JeanJass navigates between old-school influences, contemporary trap and electronic textures, alternating tightly woven narratives, sharp punchlines and choruses that settle in naturally. His background as a producer is felt in the construction of the set: clean transitions, carefully chosen sounds and an energy that breathes. Between new material and nods to his duo adventure, he delivers a coherent live show, on a human scale. JeanJass will be at Le Tetris in Le Havre on March 25, 2027—a date to grasp the breadth of his solo world and the maturity of an artist who moves forward without affectation.