Built 1739 by Carlo Manfredi for the Accademia degli Erranti. 1761-1769 addition of a concert hall ("Sala del Ridotto") and foyer by Antonio Marchetti with paintings by Francesco Battaglioli, Francesco Giugno, and Pietro Scalvini. 1789 façade rebuilding by Gaspare Turbini. 1806 major interior rebuilding by Luigi Canonica. 1862 alteration of auditorium design by Gerolamo Magnani, ceiling painting by Luigi Campini. 1904 alterations of the upper two balconies.