St. John's Episcopal Church, 415 S. Lexington St., Arlington, will hold an Advent concert at 7 p.m. Sunday. Admission is free; donations accepted. For more information, call 703-671-6834.

St. Thomas More Cathedral, 3901 Cathedral Lane, Arlington, will hold a bilingual prayer vigil at 9 p.m. tonight. Matthew Zuberbueler will lead the service. For more information, call 703-243-0518.

Also, St. Thomas More will hold a candlelight service of lessons and carols at 7:30 p.m. Sunday, with brief remarks by Bishop Paul S. Loverde. A reception will follow. Admission is free; donations accepted. Call 703-524-2815.

Trinity Presbyterian Church, 5533 N. 16th St., Arlington, will hold a third morning service at 8:15 a.m. Sunday and Dec. 18. The third service will be in traditional style; schedules for the usual contemporary service at 9 a.m. and traditional service at 11:15 a.m. are unchanged.

Also, on Dec. 18, the church will host a caroling party at 5 p.m. in Fellowship Hall. A chili supper will be followed by caroling in the neighborhood. At 7 p.m., youths will reenact Christ's birth in a Nativity performance. For more information, call 703-536-5600.

St. Rita's Catholic Church, 3815 Russell Rd., Alexandria, will hold a "Respect Life" Mass with Bishop Paul S. Loverde at 8 a.m. Dec. 17. For more information, call 703-841-2550.

Clarendon United Methodist Church, 606 N. Irving St., Arlington, will host Ron Shaffer, The Washington Post's "Dr. Gridlock," who will speak about traffic and transit at 1:15 p.m. today. Free. A worship service will be held at noon and a hot lunch will be available at 12:30 p.m. for $4.

Also, an old-fashioned Christmas party with songs and games will be held at the church 1:15 p.m. Dec. 22. For more information, call 703-465-0341.

Queen of Apostles Catholic School, 4409 Sano St., Alexandria, is presenting a lecture, "Holiday Stress and the Family," at 7 p.m. today in the multipurpose room. The free event is part of a series on issues facing parents. For more information, call 703-354-0714.

Ebenezer Baptist Church, 301 N. Patrick St., Arlington, will host a comedy performance featuring Sean Sarvis of radio station Heaven 1580 at 7 p.m. Saturday. Admission is free. For more information, call 703-683-1473, Ext. 204.

Mount Olivet United Methodist Church, 1500 N. Glebe Rd., Arlington, will hold its annual Choral Union Christmas Concert 7:30-8:30 p.m. Sunday in its sanctuary. The free performance will be directed by Steven Shaner and will feature the Mount Olivet Brass Quartet, Matt Niess on trombone and singing by the congregation.

Also, the church will offer Christmas Eve services Dec. 24, with contemporary worship at 7 p.m. and traditional worship at 9 and 11 p.m. All three services will include Communion and the sermon "Good News of Great Joy for All People." In addition, an outdoor Nativity reenactment will take place, rain or shine, at 5:30, 5:50 and 6:10 p.m. For more information, call 703-527-3934 or visit www.mtolivet-umc.org.

The Jewish Federation of Greater Washington will hold its annual Super Sunday fundraiser 9 a.m.-3 p.m. Sunday. Volunteers are needed to gather at the Jewish Community Center of Northern Virginia, 8900 Little River Tpk., Fairfax, to make fundraising phone calls for needy people locally and around the world, including in Israel. For more information, call 301-348-7350.

St. George's Episcopal Church, 915 N. Oakland St., Arlington, will celebrate Christmas with special services and activities. Events Sunday include a 10:30 a.m. lessons and carols service and a 7 p.m. Christmas recital with the choir and soloists. On Tuesday, a group will meet for caroling at 5:30 p.m. at the Virginia Square Metro station, with a simple soup supper at 6:30 p.m. The 10:30 a.m. service on Dec. 18 will feature music from the "Messiah." Dec. 24 services include a 5 p.m. Christmas Eve pageant with family Eucharist; a 7:30 p.m. festival of carols with Eucharist; a 10:30 p.m. chorale prelude and an 11 p.m. festival Eucharist. Dec. 25 will feature a 10:30 a.m. Christmas day Eucharist.

Also, soprano Barbara Dooley will give a free 45-minute concert starting at 12:15 p.m. Jan. 2 at the church. For more information, call 703-525-8286.

Alexandria Presbyterian Church, 2405 Russell Rd., is holding its annual Christmas candlelight service at 7 p.m. Dec. 18 with choirs, carols and instrumentalists, including the Belmont Brass. The event is free; a reception will follow and nursery care is provided. For more information, call 703-683-3348.

Unitarian Universalist Church of Arlington, 4444 Arlington Blvd., will host Rabbi Leila Gal Berner, who will teach a two-part seminar on "Jewish Views of the Messiah," 7-9 p.m. Sunday and Dec. 18 in the boardroom. Cost is $36 or $30 for members of Kol Ami, the Northern Virginia Reconstructionist Community. For more information, e-mail Barbara Jazzo at aje2@nvrc.net or call 703-780-0398.

St. Ann Catholic Church, 5300 10th St., Arlington, will hold a prayer service of healing for victims of sexual abuse at 10 a.m. Jan. 7. The Rev. Mark S. Mealey will preside; a victim of sexual abuse will speak on the subject.

Also, Catholic Charities of the Diocese of Arlington is holding a 10-week therapeutic support group for victims of sexual abuse on Monday evenings in Arlington. For more information, call 703-841-2530.

At Our Lady of Lourdes Church, 830 S. 23rd St., Arlington, Anthony Tambasco of Georgetown University will teach an eight-week course, "Introduction to the Old Testament," 7:30-9:30 p.m. Tuesdays beginning Jan. 10. For more information, call 703-941-4329 or e-mail ccdio fva@aol.com.

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Details: Churches and other religious institutions are encouraged to contribute news about clerical appointments, bazaars, seminars and other special events. The column appears the second and fourth Thursday of the month. All items should be in at least 10 days before publication. Call Lila de Tantillo at 703-837-1664 for more information.