Romilda Pantaleoni is associated with her roles of La Gioconda and Margherita in what opera
La Gioconda (opera) La Gioconda is an opera in four acts by Amilcare Ponchielli set to an Italian libretto by Arrigo Boito (as Tobia Gorrio), based on "Angelo, Tyrant of Padua", a play in prose by Victor Hugo, dating from 1835. (This is the same source as Gaetano Rossi had used for his libretto for Mercadante's "Il giuramento" in 1837).
The Italian Girl in London The Italian Girl in London ("L'italiana in Londra") is one of eight comic operas, termed intermezzi, which Domenico Cimarosa wrote between 1777 and 1784 for the Teatro Valle, a handsome neo-classical Roman theatre built in 1726, which still stands today.