A Novel written by who is an opera based on in four acts by Jules Massenet to a French libretto by Édouard Blau, Paul Milliet and Georges Hartmann, that is a mainstay of the repertory during its history have included the following works which have each been performed more than 1,000 times by the company?
Werther:  It is loosely based on the German epistolary novel "The Sorrows of Young Werther" by Johann Wolfgang von Goethe, which was based both on fact and on Goethe's own early life.
i don't know