Claim: Tommaso Traetta  was an Italian composer of the Neapolitan School who was responsible for certain operatic reforms including reducing ornateness of style and the primacy of star singers somewhat.
Evidence: Tommaso Michele Francesco Saverio Traetta (30 March 1727 – 6 April 1779) was an Italian composer of the Neapolitan School. Along with other composers mainly in the Holy Roman Empire and France, he was responsible for certain operatic reforms including reducing ornateness of style and the primacy of star singers somewhat.