Background
He was born in Pistoia, but active many years in Bologna, where he initially traveled to train first with his uncle, Giuseppe Valiani, then to study in Rome with a professor at the Accademia Clementina, Pietro Fancelli.
He was born in Pistoia, but active many years in Bologna, where he initially traveled to train first with his uncle, Giuseppe Valiani, then to study in Rome with a professor at the Accademia Clementina, Pietro Fancelli.
He learned architectural drawing and quadratura, and was in demand in Bologna. He traveled for a spell to Parma. He returned to Bologna to become a professor of design at the Collegio Forteguerri.
In 1803-1804 for the Certosa of Bologna, he helped decorate and design the funeral monument to Carlo Mondini, working alongside the ornamentalist Petronio Rizzi.
Valiani painted figures for quadratura of Vincenzo Martinelli in the palazzo Agucchi. In 1805, he worked alongside Antonio Basoli and Palagi in the decoration of Palazzo Gozzadini.
He also collaborated with Basoli in the decoration of the Teatro Felicini. In Pistoia, he frescoed the ceiling of a room in villa Ippoliti, decpicting Bacchus and Ariadne.
He also painted a fresco depicting Louisiana disfida di Barletta (1842) for the Teatro dè Risvegliati.