The latter was Bonno's contemporary in Vienna, and the composer wrote the first music for Metastasio's "Il natale di Giove" (also set by Hasse), "Il vero omaggio", "Il re pastore" (later set by Hasse and Mozart), "L'eroe cinese" (also set by Hasse), "L'isola disabitata" (also set by Haydn) and "L'Atenaide ovvero Gli affetti più generosi".