Summer, sun and Smokemaster! Visit the Crescendo Festival in Saint Palais sur Mer! The Crescendo Festival is a FREE music festival dedicated to progressive music genres (progressive rock, progressive metal, psychedelic rock) held annually in Saint-Palais-sur-Mer, in the outskirts of Royan, since 1999. Bringing together artists from both the national and international scenes (from Sweden to Peru to the United …