WHat German-born French composer created the operetta La Grande-Duchesse de Gérolstein?
La Grande-Duchesse de Gérolstein: La Grande-Duchesse de Gérolstein ("The Grand Duchess of Gerolstein") is an opéra bouffe (a form of operetta), in three acts and four tableaux by Jacques Offenbach to an original French libretto by Henri Meilhac and Ludovic Halévy. Jacques Offenbach: Jacques Offenbach (] ; ] ; 20 June 1819 – 5 October 1880) was a German-born French composer, cellist and impresario of the romantic period.
Jacques Offenbach