St. Peter's Parish will hold a fall rummage sale from 5 to 9 p.m. today, 9 a.m. to 9 p.m. tomorrow and 9 a.m. to 3 p.m. Saturday. 20100 Fisher Ave., Poolesville. 301-349-2073.
Saints Peter and Paul Antiochian Orthodox Christian Church will host a concert featuring Eastern Orthodox church choirs and highlighting ancient Byzantine chants and choral music from Russia, Bulgaria and Georgia at 7:30 p.m. today. 10620 River Rd., Potomac. Free. 301-765-7001.
The Shalem Institute will host a retreat, "Nurturing Your Call: Seasonal Retreat Days for Spiritual Directors of All Faiths," from 9:30 a.m. to 3:30 p.m. Monday at the Wellspring Conference Center, 11411 Neelsville Church Rd., Germantown. $45. 301-897-7334 or www.shalem.org.
The Jewish Information and Referral Service offers a list of synagogues and venues with low-cost or free tickets to upcoming services for Yom Kippur, which is Oct. 12 and 13. 301-770-4848 or www.shalomdc.org.
-- Compiled by ARUNA JAIN
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