Giselle; or, The Wilis is a romantic ballet in two acts. Jules-Henri Vernoy de Saint-Georges and Théophile Gautier wrote the story of the ballet. They based it on a short prose passage in Heinrich Heine's "De l'Allemagne". They also used Victor Hugo's poem "Fantômes". Adolphe Adam wrote the music. Jean Coralli and Jules Perrot designed the dances. Carlotta Grisi danced the role of Giselle in the first production. The scenery was created by Pierre Cisceri. 