Opened on November 20, 1911. Ran 112 performances, to about February 1912. Vera Violetta is an operetta including a libretto by Louis Stein and music by Edmund Eysler, additional music by George M. Cohan, Jean Schwartz and Louis A. Hirsch. Set in Paris, the work is about the flirtatious wife of a professor. Vera Violetta was the name both of her Roger & Gallet perfume and a waltz which celebrated it. Wiki link