The Vancouver Chamber Choir performs Requiem by W. A. Mozart with soloists Shannon Mercer, Anita Krause, Carman J. Price and Wim Vermeulen. Lux Aeterna by Morten Lauridsen. Orpheum Theatre. 601 Smithe St. at Seymour. Good Friday April 18 at 8 pm. Call 1-855-985-2787 for tickets.