Original: The can-can ( more correctly not hyphenated , as in the original French : cancan ) is regarded today primarily as a physically demanding music hall dance , performed by a chorus line of female dancers who wear costumes with long skirts , petticoats , and black stockings , that hearkens back to the fashions of the 1890s .
Simplified: The can-can ( also spelled cancan or Can Can ) is a music hall dance , performed by a chorus line of female dancers who wear costumes with long skirts , petticoats , and black stockings , like the fashions of the 1890s .