The Repertory Opera Theater of Washington presents its third and largest production of the season, Guiseppe Verdi's "Un Ballo in Maschera," a story about love, betrayal, and the fate that binds us all. The show times are Saturday, Dec. 5 at 7:30 p.m.; Saturday, Dec. 12 at 7:30 p.m. Admission is $20/general; $15/students and seniors. At Immanuel Church-on-the-Hill, 3606 Seminary Road, Alexandria. For tickets, call 571-403-0814 or email at ROTW@live.com.