Complex sentence: By the end of the decade it had been heard in theatres throughout Italy as well as in Paris and London and Rossini had been commissioned to write three more operas by the manager of the Teatro San Moisè.
Split into simpler sentences: By the end of the decade it had been heard in theatres throughout Italy as well as in Paris and London. Following this triumph, Rossini was commissioned to write three more operas by the manager of the Teatro San Moisè.