Oregon Repertory Singers open their 40th season with Mendelssohn’s oratorio, featuring the Vancouver Symphony Orchestra and Richard Zeller. Two performances, October 18 at 7:30 p.m. and October 20 at 4 p.m., both at First United Methodist Church, 1838 S.W. Jefferson. Tickets are $15, $25, and $35, available at the door or through Brown Paper Tickets. For more information, go to the ORS website.