Chantilly Codex

The Chantilly Codex (Chantilly, Musée Condé MS 564) is a manuscript of medieval music containing pieces from the style known as the Ars subtilior. It is held in the museum at the Château de Chantilly in Chantilly, Oise. Most of the compositions in the Chantilly Codex date from c. 1350–1400.