At Salzburg in late 1771 he renewed his writing of Symphonies (Nos.
In Italy, Mozart was well received: in Milan, Italy, he obtained a commission for an opera; in Rome he was made a member of an honorary knightly order by the Pope; and at Bologna, Italy, the Accademia Filarmonica awarded him membership despite a rule normally requiring candidates to be twenty years old. During these years of travel in Italy and returns to Salzburg between journeys, he produced his first large-scale settings of opera seria (that is, court opera on serious subjects): Mitridate (1770), Ascanio in Alba (1771), and Lucio Silla (1772), as well as his first string quartets. At Salzburg in late 1771 he renewed his writing of Symphonies (Nos. 14–21).