Best Bets: A cappella ensemble Naturally 7 performs a virtual concert
Vibrant vocals
Marvel at the vocals and sounds deployed by the a cappella ensemble Naturally 7 in a virtual concert starting Thursday. It's courtesy of North Central College Fine Arts in Naperville. Free, but advance registration is required. (630) 637-7469 or finearts.northcentralcollege.edu. 7 p.m. Thursday, Feb. 25; available to stream through 11:59 p.m. Sunday, Feb. 28
Vocal history
The Chicago Children's Choir presents an online workshop called "Music of Puerto Rico & the African Diaspora with Bomba con Buya" on Saturday, and then a "Black History Month Virtual Concert: Preserving and Persevering" with guest artists Lisa Fischer and Ranky Tanky on Thursday. Both virtual events are free, but advance registration is requested and donations are appreciated. (312) 849-8300 or ccchoir.org. Workshop: 10 a.m. Saturday, Feb. 20; Concert: 7 p.m. Thursday, Feb. 25
Drum it up
Third Coast Percussion holds a "Family Reunion" online concert featuring current members and alumni from the 16-year history of the Grammy Award-winning Chicago ensemble. Pay-what-you-can, but $5 starting donation. (773) 234-2712 or thirdcoastpercussion.com. 4 p.m. Saturday, Feb. 20
Funny lady
Get ready to laugh when comedian Jess Hilarious performs an in-person standup set at the Improv Comedy Showcase, 5 Woodfield Road, Schaumburg. $38. (630) 240-2001 or improv.com/chicago. 7 p.m. Saturday, Feb. 20
South African leader
Learn about the long struggle to end apartheid in South Africa with "Mandela: Struggle for Freedom." The exhibit starts Saturday at the Illinois Holocaust Museum & Education Center, 9603 Woods Drive, Skokie. $15; $10 seniors; $8 students; $6 kids 5-11. (847) 967-4800 or ilholocaustmuseum.org. In-person visits run various hours from Feb. 20 through Sept. 12
Woof walks
Dog Admission Day returns to the Morton Arboretum, 4100 Illinois Route 53, Lisle. Dogs must be on a leash at all times, and there are staggered entry times. $15, $13 seniors, $10 kids; $5 per dog. (630) 968-0074 or mortonarb.org. 7 a.m. to sunset Sunday, Feb. 21
Buildings at risk
The Chicago Architecture Center and Preservation Chicago team up for an online presentation of "Chicago's Most Endangered Buildings 2021." The 19th annual "Chicago 7" list of buildings targeted for demolition or alteration happens Wednesday. Free. (312) 922-3432 or architecture.org. Noon Wednesday, Feb. 24
Undercover mom
An Icelandic mother wages an undercover battle against an aluminum factory in the 2018 film "Woman at War." It's part of College of DuPage's Global Flicks series. Two online discussions are set for Wednesday from College of DuPage's McAninch Arts Center, 425 Fawell Blvd., Glen Ellyn. The discussion is free, but viewers are advised to watch the film in advance. It streams for free with Hulu membership or $3-$4 to rent via YouTube, Amazon Prime or iTunes. (630) 942-4000 or atthemac.org. 1:30 and 7:30 p.m. discussions Wednesday, Feb. 24