File Photo / The Creative Discovery Museum in downtown Chattanooga celebrates Red, White and Blue Day with patriotic activities that include a 21 Diet Coke geyser salute on the plaza. The gushers are made by dropping Mentos mints into 2-liter bottles of Diet Coke for an impressive science experiment.Fourth of July celebrations aren’t the only ways to spend your holiday weekend. Here are more options.
* Nightfall: The War and Treaty, the musical partnership of Michigan-based husband and wife team Michael Trotter Jr. and Tonya Blount, will headline the Nightfall concert series at 8 p.m. Friday. It will be the first show of the season with a national headliner after a month highlighting local artists. Local artist Kimmie J. Soul and her 10-piece band will open the show at 7 p.m. at Miller Plaza, 850 Market St. Food trucks, artisans and lawn games will be set up across M.L. King Boulevard at Miller Park. Immediately after the show, around 9:45 p.m., the Lookout Wild Film Festival will show an hour of free short adventure films in Miller Park. nightfallchattanooga.com
* In-Town Gallery, 26A Frazier Ave., will mark the return of its monthly receptions with a “First Fridays Are Finally Back!” theme. All of the artists in the co-op will be represented this month, and many will be on hand to discuss their work at the reception, scheduled 5-8 p.m. Friday. The show continues through July 31. intowngallery.com
* Nooga Splash: A three-day celebration that includes patriotic decor and giveaways is scheduled Friday through Sunday at the floating aqua park at Chester Frost Park, 2277 Gold Point Circle N. Hours are 11 a.m.-8 p.m. Go online to reserve a time on the course. www.noogasplash.com/tickets
* The Avett Brothers, the Grammy-nominated folk-rock band, has shows at 8 p.m. CDT Friday through Sunday at Bonnaroo Farm, 1560 New Bushy Branch Road in Manchester, Tennessee. General admission lawn seating remains for $35. bonnaroofarm.com