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.
William Tell (opera) Guillaume Tell (English: William Tell , Italian: Guglielmo Tell ) is a French opera in four acts by Gioachino Rossini to a libretto by Étienne de Jouy and Hippolyte Bis. Based on Friedrich Schiller's play "William Tell," which drew on the William Tell legend, the opera was Rossini's last, although he lived for nearly forty more years. Fabio Luisi said that Rossini planned for "William Tell" to be his last opera even as he composed it. The overture, in four sections and featuring a depiction of a storm as well as a vivacious finale, the "March of the Swiss Soldiers," is often played.