Sunday, July 22

'Zumba Under the Stars' The Columbia Association's fitness dance class will held at 7 p.m. at Swansfield Mini-WaterPark, 5659 Cedar Lane in Columbia. It begins with a 45-minute Zumba class on the grass, followed by a 35-minute Aqua Zumba class in the pool. There will also be light refreshments and door prizes. Tickets are $12; $10 for Package Plan members; $8 for Package Plan Plus Members. Information: columbiaassociation.com.

Music by the lake The St. John Baptist Church Choir presents gospel music as part of the Columbia Lakefront Summer Festival from 6:30 p.m. to 8:30 p.m. at 10275 Wincopin Circle. Free. In the event of rain, the performance will be canceled. Call 410-715-3127 for updates. Information: 301-596-2017.

Monday, July 23

Meet the author Shep Jeffreys, psychologist and author of "Helping Grieving People: When Tears are not Enough," shares stories garnered from his work with those facing death and their grieving loved ones from 7 p.m. to 8:30 p.m. at Howard County Library's Central branch, 10375 Little Patuxent Parkway, Columbia. He also offers practical suggestions to feel less helpless in the face of another person's pain. Information: 410-313-7800.

Movie time The Columbia Association's Summer Lakefront Film Festival continues with "The Muppets" (rated G) at 8:30 p.m. at the Columbia Town Center Lakefront off Little Patuxent Parkway. Admission and parking are free. Information: 410-715-3161 or go to lakefrontfestival.com.

Friday, July 27

Film screening Christian Walk Alive presents a screening of "Homecoming," a story of faith, forgiveness and the transforming power of the gospel, at 7 p.m. at Bridgeway Community Church, 9195 Red Branch Road in Columbia. Free. Information: 410-992-5832.

Concert series The Montpelier Summer Concert Series continues at 7:30 p.m. with Riseband playing R&B, Motown and jazz music at 9652 Muirkirk Road in Laurel. Free. Information: 301-776-2805.

On the big screen As part of the Columbia Association's Summer Lakefront Film Festival, "The Help" (rated PG-13) will be shown at 8:30 p.m. at the Columbia Town Center Lakefront off Little Patuxent Parkway. Admission and parking are free. Information: 410-715-3161 or go to lakefrontfestival.com.

Saturday, July 28

Bird adoption program The Friends of Patuxent hosts an "Adopt A Whooper Program" from 10 a.m. to 2 p.m. at the Patuxent National Wildlife Visitor Center, 10901 Scarlet Tanager Loop in Laurel. Whooping Cranes are one of America's most endangered birds. The center raises an average of 25 chicks a year and releases most of them into the wild. There will be information sessions and children's activities. Free admission. Information: 301-497-5789.

Future

Concert "Music in the Mills" presents a "Crazy Eights" concert featuring flutist Margo Cargo at 5 p.m. Aug. 26 at The Other Barn, 5851 Robert Oliver Place in Columbia. Tickets are $15 in advance ($10 for students); $20 at the door ($15 for students). Tickets and information: brownpaperticket.com/event/257390.

Reunion The Baltimore City College Class of 1962 will hold its 50th reunion celebration Oct. 13 at the Pikesville Hilton. For information, graduates of the February or June classes should call 410-381-6506 or email karasov1@hotmail.com.

Anniversary Boy Scout Troop 306 of Catonsville celebrates its 100th anniversary this year and is looking for former scouts and committee members associated with the troop to come together for a picnic Sept. 23. Contacts are: Dennis Gray, 443-286-2545 or dennisgray2@gmail.com, or Kathy MacLeod, kdecmac@aol.com.

Announcements for the datebook may be sent by mail to The Baltimore Sun in Howard County, 501 N. Calvert St., Baltimore 21278; by email to howard.events@baltsun.com; or by fax to 410-332-6455.