Saturday, May 19, is a citywide park clean-up day. Volunteers will be working in most neighborhood parks from 8 a.m.-noon. Kidd Springs Park is getting special attention in advance of a Dallas Symphony Orchestra performance in the park May 30.

The 2012 Visual Speedbump Art Tour in Oak Cliff is from noon-6 p.m. Saturday. The free, self-guided tour includes about 15 galleries and studios.

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An opening reception for “Seventeen Hundred Seeds,” the public art project at West Davis and Van Buren, is from 6:30-8:30 p.m. Saturday. It’s free and kid friendly.

The fourth-annual Brew Riot is from 4-8 p.m. Sunday.