For families: “Titanic Aquatic” enters its final week, 10 a.m.-5 p.m., Georgia Aquarium, Atlanta.
History: “Unbossed and Unbought” Hosea L. Williams exhibition extended through Sept. 7, The DeKalb History Center, Decatur. FREE.
Music: Depeche Mode performs with Peter Bjorn and John, 7 p.m., Aaron’s Amphitheatre at Lakewood, Atlanta.
Music: Korby Lenker performs with Angel Snow. 8 p.m. Eddie’s Attic, Decatur.
Stage: The Atlanta Opera performs “Opera with an Edge,” 7 p.m., All Saints’ Episcopal Church, Atlanta. FREE.
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