BONE MARROW DRIVE

A bone marrow drive will begin at 1 p.m. today at Rockville Seventh-day Adventist Church, 727 W. Montgomery Ave. 301-496-0572.

ARCHDIOCESE ARCHIVES

"Resources and Treasures in the Archives of the Washington Archdiocese," a free lecture by the Rev. Bernard A. Bernier, archivist of the Washington Archdiocese, will begin at 4 p.m. tomorrow at Church of the Annunciation, 3810 Massachusetts Ave. NW. 202-362-3323.

SOUNDS AND CONSCIOUSNESS

"Mantra: the Science of Sacred Sound," a seminar by Kartar Singh on how sounds affect consciousness, will begin at 7 p.m. tomorrow at DCYOGA, 1635 Connecticut Ave. NW. Reservations suggested. Registration is $25 for members, $35 for nonmembers. 202-232-2926.

YOUTH ENSEMBLES

"Celebrating Through Our Youth," a concert featuring youth choral and instrumental ensembles, will begin at 9 a.m. Monday at Vermont Avenue Baptist Church, 1630 Vermont Ave. NW. Admission is $10. 202-726-6089.

HONORING KING

Dayspring Community Church is sponsoring a memorial service honoring the Rev. Martin Luther King Jr. that will feature the Rev. Douglas Moore, a classmate of King's at Boston University. The service will begin at 10 a.m. Monday at Goddard Montessori School, 9850 Good Luck Rd., Lanham. 301-306-8290.

PEACE AND JUSTICE

"Pray and Act: A Martin Luther King Jr. Day Service for Peace and Justice," a prayer service and vigil commemorating King's legacy on preventing war and poverty, will begin at 2:30 p.m. Monday at Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6555.

INTERFAITH SERVICE

"Remember, Celebrate, Act!," an interfaith prayer service honoring the Rev. Martin Luther King Jr., will begin at 7:30 p.m. Monday at Mount Olivet United Methodist Church, 1500 N. Glebe Rd., Arlington. 703-527-3934.

FREE EXHIBIT

"Grave Images," a free exhibit sponsored by the Dadian Gallery featuring digital prints about faith and death by Kathy T. Hettinga, will premiere at 11 a.m. Tuesday at Wesley Theological Seminary, 4500 Massachusetts Ave. NW. 202-885-8674.

A PRAYERFUL LIFE

A free lecture sponsored by St. Patrick in the City Catholic Church on developing a prayerful life, featuring Sister Christine Born, will begin at noon Tuesday at the Martin Luther King Jr. Memorial Library, 901 G St. NW. 202-347-2713.

REPRODUCTIVE CHOICES

"From Generation to Generation: Celebrating 30 Years of Faithful Reproductive Choices," an interfaith convocation sponsored by the Religious Coalition for Reproductive Choice, will begin at 7:30 p.m. Wednesday at New York Avenue Presbyterian Church, 1313 New York Ave. NW. 202-628-7700.

AMERICAN BOYCHOIR

A performance by the American Boychoir will begin at 8 p.m. Thursday at Grace Episcopal Church, 6507 Main St., The Plains. Admission is $15. 540-253-5177.

MUSICIANS TO PERFORM

A free performance by harpist Sue Richards and fiddler Elke Baker will begin at 12:30 p.m. Friday at Grace Church, 1041 Wisconsin Ave. NW. 202-333-7100.

CHOIR TO PERFORM

A performance by the Palestrina Choir will begin at 8 p.m. Friday at St. Mark's Episcopal Church, 118 Third St. SE. Admission is $20, $10 for students and seniors. 202-543-1397, Ext. 4.

-- Timothy Wilson

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