 This was not only the first time the Parisian ballet had danced "Giselle" since the 1860s, but also the first Western production of Petipa's version, which is the traditional choreographic text that most ballet companies have always used as a basis for their own productions to date.The choreographic notation of "Giselle" documents when Petipa himself took Anna Pavlova through rehearsals.With the aid of the notations, Sergeyev made what is perhaps his most substantial contribution to the art of ballet