Grandbrothers ConcertsCatch Grandbrothers live and on tour right now! There are 4 concerts scheduled across France, United States, and Switzerland. The next Grandbrothers concert is scheduled for Tuesday, July 30, 2024 at Festival de Piano de la Roque d'Antheron in La Roque-d'Anthéron, Provence-Alpes-Côte d'Azur, France.