 Shortly after this, Douste was presented to the King of Hanover and the Princess Frederica.In 1879, the Douste sisters were introduced to Colonel James Henry Mapleson, who at once entered into an engagement with them for a tour in the United States; and at Boston, the girls created quite a furor.The ladies of that city, in honour of the young pianists, formed themselves into a musical society, under the name of the "Douste Club," no fewer than 90 being enrolled, all possessing musical abilities, and meeting weekly for the performance of high-class music.