Three more famous operas were written at this time: "Rigoletto" in 1851 and "Il trovatore" ("The Troubadour") and "La traviata", both in 1853. These operas have many tunes which became famous. They are full of exciting drama in which the characters are very skilfully described by the music. The music is not divided so clearly into recitative and aria like it had been for two centuries. Instead, the music is developing all the time, the arias run straight into the following music. He had a brilliant sense of drama, but he often had to fight hard to stop producers making changes to what he had written.