Christian rock band Relient K performs at Palladium Ballroom at 7:30 p.m. 1135 S. Lamar St. $20. ticketmaster.com.

It's '80s Night with BC the Dinosaur at Rubber Gloves, 411 E. Sycamore, Denton. $1 High Life specials. Doors at 10 p.m. Free. rubberglovesdentontx.com.

Tommy C Productions presents Detour Mondays at Mick's Bar. Each week features a different guest DJ who spins dance and hip-hop. 6 p.m. 2825 Greenville Ave. No cover. 214-827-0039. myspace.com/micksbar.

Schwa, Fugita 5, Hot Flash and Big J supply the music at Cool Out Mondays. Happy hour specials all night. 10 p.m. The Cavern, 1914 Greenville Ave. Free. thecaverndallas.com.

Paul Slavens performs his weekly show in Denton. 10 p.m. Dan's Silverleaf, 103 Industrial St., Denton. Free. 940-320-2000 or danssilverleaf.com.

Sun Club presents Disco Workout, featuring dance music from "the '70s and beyond," at 10 p.m. at Hailey's, 122 Mulberry St., Denton. No cover. haileysclub.com.