This hour-long concert, plus question-and-answer session with composer Morten Lauridsen, features performances by Lewis & Clark Cappella Nova, Women’s Chorus, and combined choirs. Katherine FitzGibbon and Margaret Green, conductors, with Stephanie Thompson, piano. The program includes Lauridsen’s Mid-Winter Songs, Dirait-on, and Sure on this Shining Night. Call 503-768-7460 for more information. Also see details of the Lauridsen concert on November 9.