Fishing derby in Jonesboro

Youth and Adult Fishing Derby. 8 a.m. today. $5. Clayton County International Park, 2300 Highway 138 SE, Jonesboro. Fishing license is not required. Prizes will be awarded to the largest fish. Bring fishing equipment. 770-477-3766, ClaytonParks.com.

Summer sing in Dunwoody

Choral Guild of Atlanta: Summer Sing for singers of all voice parts. 9:30 a.m. refreshments, 10 a.m.-noon today. Free. St. Luke’s Presbyterian Church, 1978 Mount Vernon Road, Dunwoody. The music of Atlanta composer and special guest Curtis Bryant will be featured. 404-223-6362, info@cgatl.org.

Locomotive celebration in Duluth

Locomotive Celebration with christening, introduction and naming of newest locomotive. 10 a.m.-5 p.m. today and Sunday, night photo shoot 7-11 p.m. today. $7 to $10, free for ages under 2 and railway/railroad workers and their families. Southeastern Railway Museum, 3595 Buford Highway, Duluth. Advance tickets: $15 for night photo shoot at SoutheasternRailwayMuseum.thundertix.com/events/87737. 770-476-2013, email admin@SoutheasternRailwayMuseum.org, srmduluth.org/events.html.

Juneteenth at Oakland Cemetery

Juneteenth at Oakland Cemetery. 10:30 a.m.-1:30 p.m. today. Free. Bell Tower, Historic Oakland Cemetery, 248 Oakland Ave. SE, Atlanta. Originally celebrated in Galveston, Texas on June 19, 1865, Juneteenth is a nationally recognized commemorative day celebrating the abolishment of slavery in the Confederate south at the end of the Civil War. Highlights are African American burial record and descendant research, guided walking tours of the cemetery’s African American grounds, Cultural Scavenger Hunt for children and details on Historic Oakland Foundation’s African American grounds restoration project. OaklandCemetery.com.

‘The 39 Steps’ in Dunwoody

“The 39 Steps” mystery comedy by the Stage Door Players. 8 p.m. today, 2:30 p.m. Sunday. $15 to $30. 5339 Chamblee Dunwoody Road, Dunwoody. 770-396-1726, StageDoorPlayers.net.

June sing in Alpharetta

Alpharetta June Sing with covered-dish social. Noon-3 p.m. Sunday. Free. Alpharetta City Hall Rotunda, 2 Park Plaza. Since 1868, the Sacred Harp singers have gathered on the second Sunday in June to sing in shape-note a cappella style, in four-part harmony, early hymns of the Christian faith. Songs may be suggested by the singers or audience members. 678-297-6000, alpharetta.ga.us.

Sunday Kind of Groove in Norcross

The Sunday Kind of Groove concert series to benefit the nonprofit All About Developmental Disabilities. 6-8 p.m. Sunday with The T Tones and their music and dance styles of the 1920s-40s. $10 to $20 with table seating available. Norcross Cultural Arts Center, 10 College St. 770-368-2076, debbie@aadd.org, SundayKindOfGroove.eventbrite.com.