Music

Wheaton Band Festival 7 p.m. Friday and  6 p.m. Saturday, July 18 and 19, Memorial Park, North Hale St. and West Seminary Ave., Wheaton. The Chicago Brass Band and Buffalo Grove Symphonic Band will perform on Friday; The Fox Valley Concert Band, The Brass Ambassadors and the Fair Winds Quintets from the Navy Band Great Lakes and the Crystal Lake Community Concet Band will perform on Saturday. Free. For more information, call (630) 653-0310, www.wheatonbandfestival.org.


Art

Motorcycle as Metaphor exhibit Elmhurst Artists Guild, July 12 to Aug. 14, Elmhurst Artists Guild Gallery, Elmhurst Art Museum, 150 Cottage Hill. Featured artist is Wesley Baker. Reception 1 to 4 p.m. Sunday, July 20. (630) 834-0202.

Religion

Mega garage sale 8 a.m. to 2 p.m. Friday and Saturday, July 18 and 19, St. Margaret Mary Parish Center, 1450 Green Trails Drive, Naperville. For more information, call (630) 241-1159, www.smmp.com.


Theater

“Tosca” DuPage Opera Theatre, 8 p.m. Friday, July 18 and 2 p.m. Sunday, July 20, College of DuPage, McAninch Arts Center, Mainstage, 425 Fawell Blvd., Glen Ellyn. Sung in Italian with English supertitles. Tickets $43, $41 and $33. For tickets, call (630) 942-4000, www.AtTheMAC.org.

Nature event

Nature workday Forest Preserve District of DuPage County, 9 to 11:30 a.m., Saturday, July 19, Lyman Woods Forest Preserve, 31st St., east of Highland Ave., Downers Grove. Help remove nonnative vegetation, collecting or planting seed. All ages; under 14 with adult. For waiver requirements, call (630) 933-7681.