Marco Marcelliano Marcello was an Italian writer and composer. He was particularly known for the opera libretti he wrote for the Italian composers Achille Peri, Carlo Pedrotti, and Antonio Cagnoni as well as his translations of French operas for their first performances in Italy, including Meyerbeer's L'Africaine.

Carlo Pedrotti was an Italian conductor, administrator and composer, principally of opera. An associate of Giuseppe Verdi's, he also taught two internationally renowned Italian operatic tenors, Francesco Tamagno and Alessandro Bonci.