Douglas County Fair, 10 a.m., Douglas County Fairgrounds, 2110 Harper.
Celtic Session, 5:30 p.m., The Red Lyon Tavern, 944 Mass.
Billy Ebeling and the Late For Dinner Band, 7 p.m., Jazz Louisiana Kitchen, 8144 Prairie View Road, Kansas City, Mo.
"Johnny Butts," 8 p.m., Lawrence Arts Center, 940 N.H.
Radiators, 8 p.m., Grand Emporium, 3832 Main, Kansas City, Mo.
Sellout!, 8 p.m., Beaumont Club, 4050 Penn., Kansas City, Mo.
Free Friday Night Concerts: Jamie O'Neal, 8 p.m., Crown Center, 2450 Grand Blvd., Kansas City, Mo.
"From My Hometown," 8 p.m., American Heartland Theatre, Crown Center, 2450 Grand Blvd., Kansas City, Mo.
"Betrayal," 8 p.m., Black Box Theater, Carlsen Center, Johnson County Community College, 12345 College Blvd., Overland Park.
Strut McFearson, 9 p.m., Slow Ride Roadhouse, 1350 N. Third.
Stuck on Broadway, Primetime Heroes, The Translation, 9:30 p.m., The Bottleneck, 737 N.H.
The Pernice Brothers, Royal Gun, 9:30 p.m., The Hurricane, 4048 Broadway, Kansas City, Mo.
The Black Ale Sinners (above), 10 p.m., The Jackpot Saloon, 943 Mass.
Gryphyn, 10 p.m., Fatso's, 1016 Mass.
Reach, Nadia Unique & Friends, 10 p.m., The Gaslight Tavern, 317 N. Second.
The Wobbly H, 10 p.m., Abe & Jake's, 8 E. Sixth St.
Jerry Garcia Memorial Stomp, Riskyshift Phenomenon, 10 p.m., Davey's Uptown, 3402 Main, Kansas City, Mo.