Celtic Session, 5:30 p.m., Red Lyon Tavern, 944 Mass.
Blue Condition Pool Party, 7 p.m.-8:30 p.m., Lawrence Outdoor Aquatic Center, 727 Kent.
Abbott and Costello Film Series: "Abbott and Costello Meet Frankenstein," 7 p.m., Lawrence Public Library, 707 Vt.
Chaos Theory v3.0 featuring BT, 7 p.m., Uptown Theater, 3700 Broadway, Kansas City, Mo.
"To Kill a Mockingbird," 7:30 p.m., Lawrence Arts Center, 940 N.H.
Trace Adkins (above), 7:30 p.m., Ameristar Casino Hotel, 8201 N.E. Birmingham Road, North Kansas City, Mo.