Joint concert by the Amherst College Concert Choir directed by Mallorie Chernin and the Boston Choral Ensemble directed by Andrew Shenton of music by the renowned Estonian composer Arvo Pärt. The concert includes the US premieres of Pärt's Habitare fratres in unum and Virgencita and is organized in conjunction with Prof. Jeffers Engelhardt's seminar on Pärt this semester. Free. No tickets required. In Buckley Recital Hall, Arms Building, at Amherst College, on 53 College Street, Amherst, MA.