The musical lucky bag of Jaune Toujours from Brussels contains Mestize – this frivolous mix of Salsa, Latin, Ska, Balkan sound and Punk. As an accordion player, Piet Maris, the clean-shaven but far from slick head of the troupe, hits exactly the right note for this year’s Bardentreffen focus. Chansons? They will get their chance, too.