Join us on Sunday at 3 pm as Philadelphia's Academy of Vocal Arts (AVA) presents Giuseppe Verdi’s Un ballo in maschera. Drama takes center stage in this opera of political intrigue, based on a true historical event: the assassination of King Gustav III of Sweden. The king falls in love with the wife of his best friend and most trusted advisor. A love triangle turns deadly as jealousy leads to conspiracy, murder, and betrayal at a masked ball. Sunday, May 5, 3 to 6 pm.