Complex sentence: It is run by the Catanzaro Foundation for the Politeama Theater and is solidly dedicated to continuing a great operatic tradition; they have already staged Franco Zeffirelli's version of Aida as well as production of Rigoletto.
Split into simpler sentences: It is run by the Catanzaro Foundation for the Politeama Theater and is solidly dedicated to continuing a great operatic tradition. They have already staged Franco Zeffirelli's version of Aida as well as productions of Rigoletto.