The video was provided by youtube user Albertdiner, who also, presumably, provided the music. The clip derives from the Metro Pictures film The Four Horsemen of the Apocalypse (1921). The music is “La Cumparista.” The dancers featured in the video are Rudolph Valentino and Beatrice Dominguez.
The featured image was downloaded from the NYPL Digital Collections. The Library informs me that it is a “cigarette card,” and site it thusly:
George Arents Collection, The New York Public Library. “Rudolph Valentino.” The New York Public Library Digital Collections. http://digitalcollections.nypl.org/items/510d47de-3047-a3d9-e040-e00a18064a99
The back of the cigarette card provides the following information about Mr. Valentino: