Ethnic music, dance, and costume were a large part of romantic ballet. At the time "Giselle" was written, people thought of Germany when they heard a waltz because the waltz was of German origin. Giselle makes her first entrance to the music of a waltz, and the audience would have known at once that the ballet was set in Germany. Adam wrote three waltzes for "Giselle": two for Giselle and one for the Wilis. Adam wrote that the "Giselle Waltz" in Act 1 has "all the German color indicated by the locality." People agreed. One critic wrote: "A lovely waltz ... in the Germanic spirit of the subject". 