Outdoor Concert

The U.S. Air Force Band and the Singing Sergeants will perform at 7:30 p.m. tomorrow. Loy E. Harris Pavilion, West and Center streets, Old Town Manassas. Free. 703-361-9800 or www.harrispavilion.com.

Celebrate America

Music, games, food and fireworks in Old Town Manassas, sponsored by the City of Manassas and Historic Manassas. 6-10 p.m. Sunday. VRE parking lot, Prince William and Battle streets. Free. 703-361-6599.

"Beach Trips"

Capture the feeling of summer at the shore with watercolor paintings by Jane Andrle Gillette. 11 am.-4 p.m. Tuesday-Friday, 11 a.m.-5 p.m. Saturday and noon-5 p.m. Sunday, starting Monday through Aug. 1. Loft Gallery, 313 Mill St., Occoquan. Free. 703-490-1117 or www.loftgallery.org.

Inspired by Nature

Photography and pottery share the spotlight this month in "Trees, Trunks, Branches and Leaves," a display of work by local photographer David Ernst and potter David Cowdrill. 11 a.m.-5 p.m. daily, Tuesday through Aug. 1. Artists' Undertaking Gallery, 309 Mill St., Occoquan. Free. 703-494-0584.

Painter Jane Andrle Gillette's watercolor "Watching the Key West Sunset" will appear in her show "Beach Trips," which gets underway Monday at Loft Gallery in Occoquan.