La FanfareDuLoup and Frères de Sac 4tet join forces to present the Grand Bal Métissé, a vibrant event featuring folk, popular, swing music, and more. La FanfareDuLoup, a Geneva-based musical collective founded in 1978, is known for its diverse creations spanning jazz, rock, contemporary music, and reimagined classical works. Frères de Sac 4tet, originating from the Grenoble collective MusTraDem in 2016, breathes new life into traditional European repertoires from Brittany to Sweden. Together, they redefine musical traditions with an expanded sonic palette.