-- Saturday, 4 p.m.: A traditional Hawaiian luau featuring a performance by Halau Ho'omau I ka Wai Ola O Hawai'i will be held at Hope Church, 6130 Old Telegraph Rd., Alexandria. Advance tickets are $35; $20 for children 6 to 12; $40 and $25 at the door. Free for children 5 and younger. 703-960-8772 or http:/
-- Sunday, 4 p.m.: A free performance by organist Peggy Haas Howell will be held at Georgetown Lutheran Church, 1556 Wisconsin Ave. NW. 202-337-9070 or http:/
-- Sunday, 6 p.m.: A performance by vocalist Leona Mitchell will be held at Faith Christian Fellowship, 9304 Winands Rd., Owings Mill, Md. Admission is $12. 410-521-2060 or http:/
-- Monday, 7:30 p.m.: A free book signing and discussion with John Waters for his book "Beyond Consolation: How We Became Too Clever for God and Our Own Good" will be held at Pope John Paul II Cultural Center, 3900 Harewood Rd. NE. 202-635-5400 or http:/
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