Ivanhoé is an 1826 pastiche opera in three acts with music by Gioachino Rossini, the  music was adapted, with the composer's permission, by the music-publisher Antonio Pacini from Rossini's operas, namely La gazza ladra, is a "melodramma" or opera semiseria in two acts by Gioachino Rossini, with a libretto by who?
La gazza ladra La gazza ladra (] , The Thieving Magpie) is a "melodramma" or opera semiseria in two acts by Gioachino Rossini, with a libretto by Giovanni Gherardini based on "La pie voleuse" by Théodore Baudouin d'Aubigny and Louis-Charles Caigniez.
Il viaggio a Reims Il viaggio a Reims, ossia L'albergo del giglio d'oro (The Journey to Reims, or The Hotel of the Golden Fleur-de-lis) is an operatic dramma giocoso, originally performed in three acts, by Gioachino Rossini to an Italian libretto by Luigi Balocchi, based in part on "Corinne, ou L'Italie" by Mme de Staël.