Émilie Marie Bouchaud, better known by her stage name Polaire, was a French singer and actress, who became internationally known. She performed also in the United States and London, and in films.

"Ta-ra-ra Boom-de-ay" is a vaudeville and music hall song first performed by the 1880s. It was included in Henry J. Sayers' 1891 revue Tuxedo in Boston, Massachusetts. The song became widely known in the 1892 version sung by Lottie Collins in London music halls, and also became popular in France.