Are both Eine florentinische Tragödie and Alceste operas?
Eine florentinische Tragödie Eine florentinische Tragödie , Op. 16, is an opera in one act by Alexander von Zemlinsky to a libretto adapted by the composer from a German translation by of Oscar Wilde's unfinished play "A Florentine Tragedy".
Elena da Feltre Elena da Feltre is an opera in three acts by 19th-century Italian composer Saverio Mercadante from a libretto by Salvatore Cammarano, well known as librettist of Donizetti's "Lucia di Lammermoor" and Verdi's "Il trovatore". The premiere took place at the Teatro San Carlo in Naples on 1 January 1839 as part of the Carnival Season. While not successful at the time, the opera was revived at La Scala in 1843 with twenty performances.