Les Siècles is a historical performance ensemble that uses appropriate instruments to realize works of various eras, often employing instruments from the group's own collection. It performs regularly at multiple Paris venues as well as touring internationally. The group participated in a 100th-anniversary re-creation of the original performance of Stravinsky's Le sacre du printemps, using only instruments that would have been available in Paris in 1913. Les Siècles have amassed a catalog of some 35 recordings, beginning with an album devoted to Saint-Saëns. In 2025, Les Siècles released several albums, including Ligeti: Concertos.