Join us for an unforgettable evening of chanted evening prayer followed by choral meditations including music by William Byrd, Arvo Pärt, Thomas Tallis, Tomas Luis de Victoria, and others.   Offered by the Psalterium Institute Choir, under the direction of Leon Greisbach, former director of music at the Cathedral of the Immaculate Conception in Portland and former director of liturgical music at the Pontifical North American College in Italy.  Free and open to the public.