The In Series's latest "pocket opera" powerhouse double-bill of passion, betrayal and revenge, features Ernesto Lecuona's Cuban zarzuela masterpiece Maria la O and Ruggiero Leoncavallo's tragic anti-hero clown Pagliacci. Joe Banno directs. Tonight, Saturday, Jan. 22, at 8 p.m. Source, 1835 14th St. NW. Tickets $39. Call 202-204-7760 or visit inseries.org.