This is important: The Importance of Being Earnest, actually. Oscar Wilde’s 1895 “trivial comedy for serious people” opens at 8 p.m. Friday, 2 and 8 p.m. Saturday, and 2 p.m. Sunday at Oklahoma City University’s Burg Theatre, 2501 N. Blackwelder. Running through April 14, the play is a co-production of TheatreOCU, CityRep and Oklahoma Shakespeare in the Park. Tickets are $8-$20. Call 208-5227 or visit okcu.edu/ticketoffice.