Watch HDToday. Part of Tutto Verdi series - Otello (2008) Salzburg. 'Otello' is an opera in four acts by Giuseppe Verdi to an Italian libretto by Arrigo Boito, based on Shakespeare's play 'Othello'. It was Verdi's penultimate opera, and was first performed at the Teatro alla Scala, Milan, on 5 February 1887.