St. John's Unitarian Universalist Church Choir (Cincinnati, OH) will celebrate the 100th anniversary year of Mary Lou Williams' [1910-1981] birth with choral music from her mass. Jazz artists from the Mary Lou Williams Resurgence Project (New York, Boston) will provide accompaniment on vibes, bass, piano and percussion. The Choral Sunday service is April 11, at 11:00 at 320 Resor Ave. in Cincinnati, 45220.