She was literally born into the theatre: Adelaide Borghi-Mamo finished a performance of Verdi's Il Trovatore, then gave birth to Erminia hours later, in a room within the theatre La Comédie Italienne.
Erminia Borghi-Mamo made her opera stage debut in 1873, in Nice, in La forza del destino.
Borghi-Mamo is already mistress of the vocal art," an English writer reported in 1876, adding that "intelligence and soul are her characteristic qualities; she is all sympathy.
The opening of her artistic career promises the most splendid future, for her voice is capable of the most delicate expression, and the most varied effects.
"[3] Her best-known roles included the title parts in Aida and Lucrezia Borgia, Santuzza in Cavalleria Rusticana, Margherita and Elena in Mefistofele,[4] and Leonora in Il trovatore.