 The Duke's sister, Eleonora had asked for a copy of his opera "Lo sposalizio di Medoro e Angelica" (The marriage of Medoro and Angelica) which had been performed in Florence in 1619, with a view to having it performed at Mantua.Her marriage to the Holy Roman emperor intervened and before she could receive a copy.However, Salvadori and his composer, Marco da Gagliano, sent a revised version of the work to Ferdinando Gonzaga in 1622.