Career
After the suppression of the order in 1773 he received a benefice at Ferrara and, somewhat later, was made director of the Collegio dei Nobili at Parma. Pope Pius VII summoned him to Rome, and appointed him theologian of the Poenitentiaria. When Pius VII was exiled in 1809, Muzzarelli was also obliged to leave Rome and was transported to Paris, where he spent his remaining life at the convent of the Dames de Saint-Michel.