The singers were amateurs selected in the world of the Bolognese students ; among them , Rosina Giovannoni Zacchi as Lauretta and Ernesto Lavarello as Leonzio .
Re Enzo premiered on 12 March 1905 at the Teatro del Corso in Bologna .
The singers were amateurs selected in the world of the Bologna students ; among them , Rosina Giovannoni Zacchi as Lauretta and Ernesto Lavarello as Leonzio .
Re Enzo premiered on 12 March 1905 at the Teatro del Corso in Bologna .