Based on historical events, “Moonlight and Magnolias” tells the story of how three men, led by film producer David O. Selznick, worked to rewrite the script for “Gone with the Wind.”
Polar Bear Run. 8 a.m. 2K, 8:30 a.m. 8:30 a.m. 5K, 9:15 a.m. Cub Dash (ages 2-3) and Cub Run (ages 4-5). Saturday, Jan. 18. Johnson Ferry Baptist Church, 955 Johnson Ferry Road, Marietta. $25-$35. https://www.polarbear-run.com/.
The 32nd annual Polar Bear Run is a qualifier for the AJC Peachtree Road Race and is run on a flat course. After running this winter race, warm up at an indoors party.
Community Concert. 4 p.m. Sunday, Jan. 19. Free. Acworth United Methodist Church, 4340 Collins Circle, Acworth. acworthculturalarts.org.
Lopez Tabor Duo will perform a varied two-part program with music from 17th Century Europe as well as 21st Century Latin America.
"To Kill a Mockingbird." 8 p.m. Friday, Jan. 17. $8-$9. Earl and Rachel Smith Strand Theatre, 117 North Park Square, Marietta. 770-293-0080. https://earlsmithstrand.org/.
Watch one of the most important American films of all time, “To Kill a Mockingbird,” and come 30 minutes early to see a free pre-show on the Mighty Allen Theatre Organ.
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MLK Service Project. various shifts on Saturday, Jan. 18-Monday, Jan. 20. Selected homes in Oakhurst. mlkserviceproject.com.
Help low-income seniors by working on needed repairs and weatherization, doing yard work and adding accessibility features.
Livvy's Love Fun Run/Walk 2020. 8 a.m. Saturday, Jan. 18. $45. Stone Mountain Park, 1000 Robert E. Lee Blvd., Stone Mountain. livvysloveinc.org.
Run or walk a 5K or 8K and also participate in Zumba. Funds raised will go to support Livvy’s Love, a non-profit organization that provides financial assistance to youths.
Fernbank Forest Bird Walk. 8 a.m.-10 a.m. Sunday, Jan. 19. Free with Museum admission of $18-$20. Free for members and kids age 2 and under. Fernbank, 767 Clifton Road, Atlanta. 404-929-6300. fernbankmuseum.org.
Learn more about the birds of Fernbank Forest as you walk over gentle terrain with an Atlanta Audubon Society volunteer. If possible, bring binoculars, field guides and water. Reservations are required.
Beethoven 2020: String Quartet Cycle I. 8 p.m. Saturday, Jan. 18. Free. Schwartz Center for Performing Arts, Emerson Concert Hall, Emory University, 1700 North Decatur Road. emory.edu.
The Vega Quartet will perform Beethoven’s Razumovksy Quartet, Quarter Op. 18 No. 6 and Op. 18 No. 1. It’s part of a year-long celebration of the 250th anniversary of Mozart’s birthday.
Family Night Hike and Campfire. 7 p.m.-9 p.m. Saturday, Jan. 18. $12 general public, $10 Nature Center members. Chattahoochee Nature Center, 9135 Willeo Road, Roswell. 770-992-2055, ext. 237. chattnaturecenter.org.
Explore the winter world of the Chattahoochee Nature Center at night during a hike. Afterward, roast marshmallows over a campfire.
Jane Kramer and Mockingbird's Wing. 7 p.m. Saturday, Jan. 18. $5 suggested cash donation, along with cash for tips and food items for the North Fulton Community Charities food bank. Common Grounds Coffee House, Unitarian Universalist Metro Atlanta North, 11420 Crabapple Road, Roswell. coffeehouse.uuman.org.
Singer Jane Kramer will perform songs that showcase her sultry vocals, and Mockingbird’s Wing, an acoustic band, will share its unique sound.
Writing Group. 3 p.m. Saturday, Jan. 18. Lavena Café, 11585 Jones Bridge Road, Suite 230, Johns Creek. calendarwiz.com.
Nurture your creativity with Fulton County Library System’s Writing Group, which is designed for adults as well as teens.
Melody's '60s Night. 5:30 p.m.-7 p.m. Saturday, Jan. 18. $25 per person. American Girl, 1202 North Point Circle, Alpharetta. 877-247-5223. americangirl.com.
Bring your girl age 8 and up to a 1960’s-themed dinner and activities to celebrate Melody Ellison, American Girl’s character from this time period. Dress in clothes inspired by the ‘60s if you’d like. Reservations are required.
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58th Atlanta Model Train and Railroadiana Show. 9 a.m.-4 p.m. Saturday, Jan. 18. Adults $9, children 12 and under are free. Infinite Energy Center – Forum Building, 6400 Sugarloaf Parkway, Duluth. facebook.com.
Dealers will have over 350 tables of model train items and railroad antiques for sale.
Lawrenceville Record Show. noon-5 p.m. Saturday, Jan. 18. Free admission. Slow Pour Brewing Company, 407 N. Clayton St., Lawrenceville. business.facebook.com.
Buy vinyl, CDs, cassettes and more at the 3rd annual Lawrenceville Record Show.
TechFest. 9 a.m.-2 p.m. Saturday, Jan. 18. Free. Gwinnett Medical Resource Center, 665 Duluth Highway (GA 120), Lawrenceville. http://www.techfest.info/#/.
Learn everything about amateur “ham” radio at the Gwinnett Amateur Radio Society’s TechFest.
Harlem Globetrotters. 2 p.m. and 7 p.m. Saturday, Jan. 18. $20 and up. Infinite Energy Center, 6400 Sugarloaf Parkway, Duluth. 770-626-2464. infiniteenergycenter.com.
Watch the world-famous Globetrotters display their incredible basketball skills along with a heavy dose of hijinks.