Jack Pearadin and Doug Nelsen found a 1.73-carat diamond after nearly a year of searching the park's field.
Canadian folk icon Gordon Lightfoot plays at Eureka Springs' The Aud, 8 p.m., $55-$65. Chase Rice, both a cast member of "Survivor: Nicaragua" and the country music star who wrote Florida Georgia Line's "Cruise," will be at the Metroplex, 8 p.m., $27. Blues prodigy Selwyn Birchwood takes the stage at The Big Chill, 8 p.m., $8. Stand-up comedians Seth Dees and Hannah Malmstrom perform at The Joint, with live music from Stolis Fin, 8:30 p.m., $7. Vino's Brewpub Cinema presents the first half of a two-part screening of the 1970 documentary "Woodstock," 7 p.m., free. The Old State House Museum hosts its 5th annual Seersucker Social, a Southern garden party benefitting the School Bus Fund, which underwrites local school field trips to the museum, 7 p.m., $45.
Fret and Worry bring tales of trains and moonshine to South on Main, 9 p.m., $10. Austin septet East Cameron Folkcore comes to Maxine's with Joe Myside and the Sorrow, 9 p.m., $7. The South Main District hosts a monthly neighborhood gathering, Fourth Friday in SoMa, 4 p.m., free. Conflicts, Terminal Nation, New Heart and Conviction share a show at Vino's, 7 p.m., $8. Motel Mirrors, comprised of duo Amy LaVere and John Paul Keith, pluck and croon at White Water Tavern, 9:30 p.m., $7. Hot Springs' The Exchange hosts Naturalist, Shut Up Matt Jewett, Census, The Latter Half and Good Monday, 7 p.m., $7.
Cheap Trick takes the Timberwood Amphitheater stage at Magic Springs, 8 p.m., $8-$10. CosmOcean performs the utterly danceable stylings of The Curvy Soprano and her crew, Four Quarter Bar, 10 p.m. The Wheel Workers bring their sociopolitical grooves to Maxine's with Siberian Traps and Open Fields, 9 p.m., $7. Neo-soul quintet SouLution play at Stickyz, 9:30 p.m., $5-$8. Rising country star William Michael Morgan performs in downtown El Dorado, 7 p.m., free.
Arkansans for Equality and Arkansas Trans Equality Coalition host a Transgender Awareness Rally at Flying Saucer, 4 p.m., free. Opera in the Ozarks continues its 66th season with Britten's "Albert Herring" at the Arend Arts Center in Bentonville, 3 p.m., $10-$25. Jeremiah James Baker plays an acoustic set with Garret Heck opening, Vino's, 8 p.m., $5. DaMarcus ThemeMusiq Pettus, puts on a hip-hop show with live band accompaniment, 8:30 p.m., $10-$15.