Saturday 7:30 p.m.: Yale’s RedHot and Blue, its oldest co-ed A Cappella group in a program of jazz, will be held at Wesley United Methodist Church, 5312 Connecticut Ave NW. Suggested donation, $10. 240-498-0119 or http://www.redhotandblueofyale.org.
Sunday 7 a.m.: Narcotics Anonymous meeting, will be held at Church of the Epiphany, 1317 G St. NW. 202-347-2635. www.epiphanydc.org.
Sunday 8:30-11:15 a.m.: Martha’s Table ministry helps feed area homeless men, women and families via McKenna’s Wagon, drop off sandwiches or fruit to this soup kitchen that offers a nutritious daily meal to the homeless. Washington National Cathedral, Hearst Circle, adjacent to the Wisconsin Avenue parking garage entrance, Wisconsin and Massachusetts avenues NW. Free. 202-537-6200 or www.nationalcathedral.org or firstname.lastname@example.org.
Sunday 10 a.m.: Peoples Congregational United Church of Christ of Washington D.C. hosts Otis Moss, of Cleveland, Ohio in its pulpit to observe the annual honoring of Martin Luther King Jr., with senior minister Michael C. Murphy, will be held at Peoples Congregational United Church of Christ, 4704 13th St. NW. Free-will offering. 202-829-5511.
Sunday 10:10 a.m.: Presidential historian Michael Beschloss in a dialogue about the president’s second term and presidential legacies with cathedral dean Gary Hall on the eve of the inauguration, with anti-gun sermons by Hall during the 8:45 and 11:15 a.m. services, Mariann Edgar Buddee presider, will be held at Washington National Cathedral, Nave, Wisconsin and Massachusetts avenues NW. Free-will offering. 202-537-6200 or www.nationalcathedral.org.
Sunday 1 p.m.: Tamelyn Tucker-Worgs discusses Martin Luther King Jr.’s legacy in the black church. St. Luke’s Episcopal Church, 1514 15th St. NW. 202-667-4394.
Sunday 1 p.m.: Knitting and crocheting workshop with fellow needlers — for distribution to those in need — with instruction, needles and yarn provided. Washington National Cathedral, Fourth Floor of the South Tower, Wisconsin and Massachusetts avenues NW. Free. 202-537-6200 or e-mail email@example.com.
Sunday 3 p.m.: A choral celebration and unity proclamation with Emory United Methodist Church Choir, Mount Lebanon Baptist Church Choir, New York Avenue Presbyterian Church Choir and the Jubilee Choir from Boston’s Pleasant Hill Baptist Church. New York Avenue Presbyterian Church, 1313 New York Ave. NW. 202-393-3700.
Sunday 7 p.m.: Screening of two Laurel and Hardy silent movies, “Two Tars,” and “We Faw Down,” on the church’s kaleidoscopic 100 ‘rank’ Walker Digital Organ, will be held at Resurrection Church, 3315 Greencastle Rd., Burtonsville. Suggested donation, $20 includes reception. 301-520-8921 or www.resurrectionadw.org.