‘Hula Hoop for a Cure’ in Atlanta

“Hula Hoop for a Cure” to break the world record, hosted by the Georgia Ovarian Cancer Alliance (GOCA) for ages 8 and older, 10 a.m. to 3 p.m. registration, 4 p.m. hula hoop today, Sunday, Piedmont Park Arts Festival, GOCA booth near the Charles Allen Gate, 1215 Piedmont Ave. NE. GaOvarianCancer.org, 404-255-1337.

Decatur BBQ Blues, Bluegrass Festival

Decatur BBQ Blues and Bluegrass Festival, noon to 8 p.m. today, 630 East Lake Drive, Decatur. No outside coolers or personal tents. Decatur Recreation will provide children’s activities. $10-$20, free for ages 12 and under. Tickets: freshtix.com/events/decatur-bbq-blues—bluegrass-festival. DecaturBBQFestival.com.

‘Big Hero 6’ in Dallas

Disney’s “Big Hero 6,” 7 p.m. events, movie at sunset today, Veterans Park, 240 Constitution Blvd., Dallas. Free. paulding.gov/Calendar.aspx?EID=640, 770-445-8065.

‘One Funny Mother’ in Buford

Dena Blizzard’s “One Funny Mother: I’m Not Crazy!!” 8 p.m. today, Sylvia Beard Theatre, Buford Community Center, 2200 Buford Highway. $20-$25. BufordCommunityCenter.com/events, OneFunnyMother.com.

‘The Secret Garden’ at Serenbe

Extended performances of “The Secret Garden” for all ages, 11 a.m. today, 2 p.m. Sunday, The English Garden at Serenbe, Chattahoochee Hills. $10-$20. SerenbePlayhouse.com.

‘Evita’ in Chattahoochee Hills

Serenbe Playhouse’s Evita, 8:30 p.m. today, Sunday, Serenbe’s Open Air Room, Chattahoochee Hills. $20-$35. SerenebePlayhouse.com.

WWII V-E Day 70th Anniversary in Marietta

V-E Day’s 70th Anniversary, “the Greatest Generation’s Greatest Day” to salute the World War II generation by Georgia Funeral Care, 11 a.m. Sunday, Marietta National Cemetery, 500 Washington Ave. NW, Marietta. Free. cem.va.gov/cems/nchp/marietta.asp, GeorgiaFuneralCare.com/join-us-spirit-of-45-day, SpiritOf45.org.

Family Center opening in Dunwoody

Kuniansky Family Center Grand Opening Celebration with cooking demonstrations, arts and crafts projects and dance performances and workshops, noon to 4 p.m. Sunday, MJCCA-Zaban Park, 5342 Tilly Mill Road, Dunwoody. Free. Atlantajcc.org/pldb-live/kuniansky-family-center-br-grand-opening-celebration-58800, 678-812-4000.

Police in the Park in Atlanta

Police in the Park by the Atlanta Police Department, 1 to 4 p.m. Sunday, Washington Park, 1125 Lena St. NW, giving away free backpacks, free haircuts, free refreshments, free soccer clinic for Atlanta children. COPS Unit, AtlantaCops@AtlantaGa.gov, 404-546-5650.

Lego Club in Woodstock

Lego Club for all ages, 3 p.m. Sunday, Woodstock Library, 7735 Main St. SequoyahRegionalLibrary.org/woodstock, 770-926-5859.

‘The Pieces of Eight’ concert in Roswell

Rhythms on the River Concert Series, Atlanta Pays It Forward and Shag Atlanta present “The Pieces of Eight,” 6 to 8 p.m. Sunday, Chattahoochee Nature Center, 9135 Willeo Road, Roswell. $16.82 to $22.09. ThePiecesOfEight.com, AtlantaPlaysItForward.org, ChattNatureCenter.org/includes/ror-cnc-flyer.pdf.