Daily through Tuesday, 10 a.m.: Cathedral creche exhibition, an annual display of Nativity scenes from around the world. Washington National Cathedral, lower-level crypt outside Bethlehem Chapel, Wisconsin and Massachusetts avenues NW. 202-537-6200 or www.nationalcathedral.org.

Music competition application deadline: Feb. 1. Young Organists Competition, co-sponsored by the D.C. chapter of the American Guild of Organists and the Franciscan Monastery of the Holy Land, scheduled for May 17, at the monastery. Three organists will be selected from a taped preliminary round to compete for cash prizes. Official rules and entry forms available at www.dcago.org or by calling 202-526-6800.

Saturday, 12:30 p.m.: Weekly carillon recital. Edward M. Nassor will perform music of the Christmas season. Washington National Cathedral, Bishop’s Garden area, Wisconsin and Massachusetts avenues NW. Free. 202-537-6200 or www.nationalcathedral.org.

Saturday, 1:30 to 5 p.m.: Davies Community Chili Chow/Blues Jam/Open Mic. Have a great bowl of chili (con carne and vegetarian), sides and beverages. Davies Memorial Unitarian Universalist Church, 7400 Temple Hill Rd., Camp Springs. Chili, $10. Blues concert, free. 301-449-4308. dmuuc.org/connecting/programs/community-fish-fry-open-mic.

Saturday, 2 and 8 p.m., Sunday, 3 p.m.: “Black Nativity” by Langston Hughes, a retelling of the Christmas story from an Afro-centric perspective, infused with gospel, blues, funk, jazz and dance. Eric Ruffin directs a Theater Alliance production. Anacostia Playhouse, 2020 Shannon Pl. SE. $35; students and those 60 and older, $20; age 11 and younger, $10. 202-241-2539. www.theateralliance.com .

Saturday, 5:30 to 7:30 p.m.: Join Troop 167 for its semiannual spaghetti dinner to support a three-week trip to the West. On odd-numbered years such as 2015, 24 Scouts and adults pile into a bus and head to Philmont Scout Ranch in Cimarron, N.M., for 12 days of backpacking and adventure. Trip includes stops at the St. Louis Arch, Pikes Peak, the Air Force Academy and other sites. Mount Olivet United Methodist Church, 1500 North Glebe Rd., Arlington. $10. 703-527-3934. www.mtolivet-umc.org/.

Sunday, 8 and 10:30 a.m.: For this Sunday, the regular worship services at 9 and 11:15 a.m. will be combined into one service at 10:30 a.m. to accommodate some necessary earthquake restoration construction in the crossing. The Rev. Dr. Kelly Brown Douglas will preach. The regular worship schedule will return on Jan. 11. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200 or www.nationalcathedral.org. Free.

Sundays, 8:45 a.m., and Wednesdays, 6 p.m.: Bible study. Calvary Episcopal Church, 509 I St. NE. Free. 202-546-8011.

Sunday, 10 a.m.: Magi procession, Epiphany party and New Year’s worship. The Epiphany party is appropriate for children from pre-kindergarten through fifth grade. The worship service, geared to children and adults, will consider new year’s resolutions. Westmoreland Congregational United Church of Christ, 1 Westmoreland Cir., Bethesda. Free. 301-229-7766. www.westmorelanducc.org .

Sunday, 11:30 a.m. and 2:30 p.m.: The Three Kings Day Celebration (Fiesta de los Reyes Magos), a bilingual presentation of the story of the Magi. Song, dance and storytelling with animals, local performers, a walk through the neighborhood and a gift for every child. The donation of a small gift for a child is suggested. GALA Theatre, 3333 14th St. NW. Free. 202-234-7174. www.galatheatre.org.

Sunday, 1 p.m.: Knitting and crocheting workshop. Join fellow needleworkers to create items for those in need. Instruction, needles and yarn will be provided. Washington National Cathedral, fourth floor of the South Tower, Wisconsin and Massachusetts avenues NW. Free. Mila Michael, knitting@cathedralcongregation.org. 202-537-6200.

Sunday, 1:30 p.m.: “Jewels of Light: Stained Glass,” a docent-led tour of the building’s varied styles of stained glass and the stories told by them. Washington National Cathedral, West End Docent Station, Wisconsin and Massachusetts avenues NW. $20; children, seniors, military personnel and students, $16. 202-537-6200. www.nationalcathedral.org.

Sunday, 5:15 p.m.: Organist Karen Electra Christianson performs works by Charles-Marie Widor, Robert Schumann, J.S. Bach, Dieterich Buxtehude, Ad Wammes and Louis Vierne on the 10,647-pipe Ernest M. Skinner and Son organ. Washington National Cathedral, Great Choir, Wisconsin and Massachusetts avenues NW. Suggested donation, $10. 202-537-6200 or www.nationalcathedral.org.

Sunday, 6 p.m.: Armonia Nova annual Epiphany concert: Twelfth Night, a celebration of Epiphany and the winter solstice, with music from England, France, Germany, Italy and Spain. Christ Church, 118 N. Washington St., Alexandria. Free. parishlife@ccalex.org. 703-549-1450. www.historicchristchurch.org.

Most weekdays, 10:30 a.m. and 1:30 p.m.: Behind-the-scenes cathedral tour for ages 11 and older. See gargoyles and stained-glass windows and climb a lot of stairs to view the city from above. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. $25; children, seniors, students and military, $21. 202-537-6200 or www.nationalcathedral.org.

Mondays, noon: “Brown Bag and Bible.” The Rev. Janice Mynchenberg will lead a weekly study of the Gospel of Mark with the help of a commentary by N.T. Wright. Bring your lunch. Georgetown Lutheran Church, 1556 Wisconsin Ave. NW. Free. 202-337-9070. www.byfaithhopelove.com/GTL.

Monday, 7-8:30 p.m.: Harbingers: A Seasonal Spirituality Gathering. A look at how the landscape in which we live effects our inner landscape. Washington National Cathedral, Cathedral Library, Wisconsin and Massachusetts avenues NW. Email crossroads@cathedral.org for building entry instructions. 202-537-6200 or www.nationalcathedral.org.

Mondays, 7 p.m.: Senior strength and stretch class. Participants must bring a completed “assumption of risk and waiver of liability” to the first class. Aldersgate United Methodist Church, 1301 Collingwood Rd., Alexandria. Free. Reservations: Judy, judy@aldersgate.net or 703-765-6555, ext. 626. Aldersgate.net.

Mondays, 7 p.m.: Yoga classes. Bring a mat. Pilgrim Church United Church of Christ, 2206 Briggs Rd., Wheaton. Suggested donation, $5 to $10. 301-942-7188.

Mondays, 7 p.m.: Monday night services have a less formal atmosphere and a smaller setting. Holy Communion. Refreshments after the worship. Child-care available. Lutheran Church of St. Andrew, 15300 New Hampshire Ave., Silver Spring. info@mystandrew.org or 301-384-4394. www.mystandrew.org.

Mondays, 7 p.m.: Sally Jones leads “A Course in Miracles.” Davies Memorial Unitarian Universalist Church, 7400 Temple Hills Rd., Camp Springs. Free. 301-449-4308. www.dmuuc.org.

Mondays, 7 p.m., and Thursdays, 9:30 a.m.: Yoga instructor Kirsten Norris leads weekly sessions. Bring a mat. Pilgrim Church United Church of Christ, Social Hall, 2206 Briggs Rd., Silver Spring. Suggested donation, $5 to $10. The Rev. Jessie Lowry, jessdoerrer@gmail.com. 877-792-8479.

Tuesdays and Thursdays, 9:15 a.m.: Senior Fit, an exercise class for ages 55 and older to build strength, fitness and cardiovascular health. The required physician-consent form is available at the information center or by visiting the Web site. Lutheran Church of St.Andrew, 15300 New Hampshire Ave., Silver Spring. Free. Call Marilee at 301-384-4394 or go to www.mystandrew.org.

Tuesdays, 10:45 a.m.: One-hour, docent-led “spiritual reflections” tour explores stories of faithful action and devotion highlighted in glass and stone. Tours include storytelling, silence, poetry, prayer and reflective invitations, including one to attend Eucharist at noon. Participants receive a pilgrimage medallion. Tours do not take place on holidays or during special events. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. $15. Questions: Pilgrimages@cathedral.org. 202-537-6200 or www.nationalcathedral.org.

Tuesday, 12:10 p.m.: Early music by Eya, a D.C.-based vocal trio. Allison Mondel, Kristen Dubenion-Smith and Crossley Hawn perform medieval chant and polyphony for Christmas and Epiphany-tide. Church of the Epiphany, 1317 G St. NW. Suggested donation, $10. 202-347-2635, Ext. 20.

Tuesdays through April 28, 7 p.m.: Disciple: Into the Word into the World. Matthew Welsch facilitates the second part of a four-phase Bible study program. Familiarity with Scripture or involvement in Bible study is recommended. Washington National Cathedral, Cathedral Library, Wisconsin and Massachusetts avenues NW. Register: mlewallen@cathedral.org. 202-537-6200 or www.nationalcathedral.org. Free.

Tuesdays, 7-8:30 p.m.: Homework Helpers invites parents or guardians to bring children in grades 3 through 8 for free after-school tutoring, advice and homework help. The program is certified by the Episcopal Diocese of Washington under its mandatory Safeguarding God’s Children training. St. John’s Church, Broadcreek, Bayne Hall, 9801 Livingston Rd., Fort Washington. Free. Registration: Ruth LaBelle, Program Director, 240-461-5330 or hwhelpers@stjohnsbroadcreek.org.

Tuesdays, 7 p.m. and Wednesdays, 6 p.m.: Zumba classes. Christ Church Chaptico, Parish Hall, 37497 Zach Fowler Rd., Chaptico, Md. $6 per class, or get a punch card that charges $5 per visit. Lisa Martoni, zumbawithlisamartoni@gmail.com or 240-925-4153.

Tuesday, 7:30 p.m.: Choral evensong with music by William Byrd, Edward Bairstow, Malcolm Archer and William Smith will be featured on the Feast of the Epiphany. The Three Wise Men will make an appearance. A reception will follow. Donations of money or non-perishable food accepted for St. Paul’s Lazarus Ministry to help those in need. St. Paul’s Episcopal Church, 228 South Pitt St., Alexandria. 703-549-3312.

Tuesdays, 1 p.m.: Senior Bible study led by Jack Hessler. Group meets on the second and fourth Tuesdays of each month. The Lutheran Church of St. Andrew, 15300 New Hampshire Ave., Silver Spring. Free. 301-384-4394. www.mystandrew.org.

Tuesdays, 7 to 8:30 p.m.: Homework Helpers invites parents or guardians to bring their children in grades 1 to 8 for free after-school tutoring, advice and homework help. The program is certified by the Episcopal Diocese of Washington under its mandatory “Safeguarding God’s Children” training. St. John’s Church, Broadcreek, Bayne Hall, 9801 Livingston Rd., Fort Washington. Free. Registration: Ruth LaBelle, program director, at 240-461-5330 or hwhelpers@stjohnsbroadcreek.org.

Tuesdays, 7 to 8:30 p.m.: Rabbi Susan Grossman will speak about “Parting of the Ways: How Judaism and Christianity Became Two.” Beth Shalom Congregation, 8070 Harriet Tubman Lane, Columbia. $20. 410-531-5115. www.beth-shalom.net.

Wednesday, 12:10 p.m.: Organist Iris Lan will perform the complete sonatas by Paul Hindemith. St. John’s Episcopal Church, Lafayette Square, 1525 H St. NW. Free. 202-347-8766 or www.stjohns-dc.org.

Wednesday, 1:30 p.m.: Cathedral tour and tea. A docent-led tour of the cathedral, its history, architecture and art, plus a traditional English tea and a scenic view of the city from the cathedral tower. Washington National Cathedral, Docent Station at the Rear Nave, Wisconsin and Massachusetts avenues NW. $30; reservations required. 202-537-8993, www.allhallowsguild.org or misbister@cathedral.org.

Wednesdays, 1:45 to 4:15 p.m.: Church of the Covenant, Arlington, is offering a safe, free and fun after-school program for local elementary school students who attend schools with early release Wednesdays. Children in kindergarten through grade 5 are invited to take part in The Backyard, a program with a Christian curriculum that offers games, crafts and Bible stories.The program continues through June 2015 and follows the academic calendar. Church of the Covenant, 2666 N. Military Rd., Arlington. Free, registration required. Emma Horn, emma.m.horn@gmail.com. 703-524-4115.

Wednesdays, 2 p.m.: Tai chi classes. St. Paul’s Episcopal Church, Rock Creek, 201 Allison St. NW. Free. 202-726-2080.

Wednesdays, 6:30 p.m.: Open prayer service. Communion follows. Franconia United Methodist Church, 6037 Franconia Rd., Alexandria. 703-971-5151. www.franconiaumc.org.

Wednesdays, 7 p.m.: Tai chi classes, advanced and intermediate level. Davies Memorial Unitarian Universalist Church 7400 Temple Hills Rd., Camp Springs. Suggested donation, $5. 301-449-4308. www.dmuuc.org.

Wednesdays, 7:15 p.m.: Flaunt Fitness, a 45-minute program, led by Lisa Martoni, for woman of all shapes and sizes that combines Pilates and dance. Christ Church Parish Hall, 37497 Zach Fowler Rd., Chaptico. $6 per class or $30 for 6 classes. 301-884-3451.

Thursdays, 7:30 to 8:30 a.m.: Breakfast Bible study. A reading and discussion of the appointed Bible readings for the upcoming Sunday, according to the Revised Common Lectionary. Open to the public. Sponsored by St. Nicholas Episcopal Church. IHOP, 20009 Century Blvd., Germantown. info@saintnicks.com or 240-631-2800.

Thursdays, 9 a.m.: Yoga class. Christ Church Chaptico, Parish Hall, 37497 Zach Fowler Rd., Chaptico. Call for details. 301-301-884-3451.

Thursdays, 9:30 a.m.: Yoga instructor Kirsten Norris leads weekly sessions. Bring a mat. Pilgrim Church United Church of Christ, Social Hall, 2206 Briggs Rd., Silver Spring. Suggested donation, $5 to $10. The Rev. Jessie Lowry, jessdoerrer@gmail.com. 877-792-8479.

Thursdays and Fridays, 9:30 to 11:45 a.m.: Music and movement classes are offered for age 5 and younger with a parent or adult caregiver. Sponsored by Music Together Montgomery. The Episcopal Church of the Redeemer, 6201 Dunrobbin Dr., Bethesda. Free. 301-229-3770.

Thursdays, 11 a.m.: Gentle yoga. Aldersgate United Methodist Church, 1301 Collingwood Rd., Alexandria. Free. 703-765-6555. http://aldersgate.net.

Thursdays, noon: Affordable yoga classes. Bring a mat. Pilgrim Church United Church of Christ, 2206 Briggs Rd., Wheaton. Suggested donation, $5-$10. 301-942-7188.

Friday, noon: Members of the Friday Morning Music Club will perform works by Duparc, Beethoven and Georges Auric. Calvary Baptist Church, 755 Eighth St. NW. 202-333-2075. Free.

Friday, 7:30 p.m.: “L’Enfance du Christ” (The infancy of Christ), an oratorio by Hector Berlioz that recounts Herod’s slaughter of the innocents and the Holy Family’s flight to safety in Egypt. John H. McCrary will conduct the church choir and orchestra and soloists. Blessed Sacrament Catholic Church, 1427 W. Braddock Rd., Alexandria. Freewill offering. 703-998-6100.

Friday and Saturday, 8 p.m.: Road to Canterbury: music of medieval England. The Folger Consort and the Lionheart vocal ensemble perform country music from the Chaucer era in Middle English and Latin and on period instruments. Come at 6:30 p.m. for a pre-concert presentation. Washington National Cathedral, Front Nave, Wisconsin and Massachusetts avenues NW. $30-$50. 202-537-6200 or www.nationalcathedral.org.

January 10, 4 to 6 p.m.: Community spaghetti supper with Bob’s famous sauce, salad, bread, beverage and dessert. The Thrift Shop will be open. Christ Episcopal Church, 8710 Old Branch Ave., Clinton. Suggested donation, $10; age 12 and younger, free. christchurchclinton@verizon.net. 301-868-1330.

January 10, 7 p.m.: “Chords of Courage,” a benefit concert of folk and acoustic music. Church of St. Clement, 1701 N. Quaker Lane, Alexandria. $18; in advance, $15. 703-380-3151.

January 10, 7:30 p.m.: Chamber music concert for brass and organ. Trumpeters Phil Snedecor and Steve Hendrickson and organist Russell Weismann will perform works by Manfredini, Corelli, Stamm and Loelliet. A reception follows the concert. Franciscan Monastery, 1400 Quincy St. NE. Free. 202-526-6800, Ext. 374.

— Compiled by Gerri Marmer

For more religion events, visit washingtonpost.com/religion. Send submissions with event name, dates, times, exact address, prices and a publishable telephone number at least one week before our Saturday publication day to Religion Events, The Washington Post, 1150 15th St. NW, Washington, DC 20071; or e-mail rpevents@washpost.com.