Friday Fun Night: 6 to 9 p.m. in gym and classroom areas at Community Center, 250 E. Wood St., Palatine. Games, sports, contests and activities for ages 7-13. $10. Register at www.palatineparks.org, code 326600-01, or in person. Info: Vito, (847) 496-6251 or vmanola@palatineparks.org.

Artist Reception: 1 p.m. Sunday, Barrington Area Library, 505 N. Northwest Hwy. Twin Cities-based artist HOTTEA, aka Eric Rieger, will be creating and installing an original work of art commissioned for the atrium. Info: www.balibrary.org. Free.

Daniel Souvigny Plays Ragtime: 2 p.m. Sunday, Rolling Meadows Library, 3110 Martin Lane. Three-time Junior Champ of the Old-Time Piano Playing Competition. Free tickets at the Welcome Desk, (847) 259-6050, or www.rmlib.org.

Classical Blast Band: 3:30 p.m. Sunday, Village Green, 901 Wellington Ave., Elk Grove Village. Rock using atypical instruments. Free.

Organ Concert: 4:30 p.m. Sunday, Christ Lutheran Church, 41 S. Rohlwing Road, Palatine. Award winner Katie Moss. Freewill offering.

Concert In The Park - Groundspeed: 6 p.m. Sunday, Capannari Ice Cream, 10 S. Pine St., Mount Prospect. Info: www.capannaris.com or (847) 392-2277. Free.

Laughter Club: 2:15 p.m. Monday, Arlington Heights Senior Center, 1801 W. Central Road. Facilitated by Celeste Magers, certified laughter yoga teacher. Free; no registration.

Anthony Kawalkowski Orchestra: 6:45 p.m. Monday, Schaumburg Town Square, Roselle and Schaumburg roads, Schaumburg. Swing, classical and pop classics. Free.

Teen Battle of the Bands: 7 p.m. Monday, Fred P. Hall Amphitheater, 262 E. Palatine Road, Palatine. The winning band will advance to the regional competition for the chance to perform at the Illinois State Fair. Free.