From A Bibliography of Alexandre Dumas père by Frank Wild Reed: An opera, of which the verse was composed by Alexandre Dumas and Ed. Duprez.
Some portions of this were rendered by the École Spéciale de Chant, at the first meeting for the year 1856.
It is stated by M. Lecomte to be wholly lost, and never to have been printed, but Mr. R. S. Garnett says that it, or a part of it, was published by Vaugirard in 1856.
