3An outdoor concert featuring D’Angelo, Erykah Badu, Busta Rhymes, Rare Essence, Black Alley, above, and Hiatus Kaiyote, with special guest host Mike Epps. 5 p.m. Saturday. Merriweather Post Pavilion, 10475 Little Patuxent Pkwy., Columbia. 410-715-5550. www.merriweathermusic.com. $46-$125.
Wildflower The D.C.-based band performs smooth jazz and R&B outdoors. 6:30-8:30 p.m. The Boulevard at the Capital Centre, Capital Centre Boulevard and Arena Drive, Largo. 301-324-0514. www.shopcapcentre.com. Free.
All Mighty Senators The band plays rock, soul and fusion music in an outdoor concert. 7-8:30 p.m. Watkins Regional Park, 301 Watkins Park Dr., Upper Marlboro. 301-699-2456. www.allmightysenators.com. Free.
“The Mousetrap” Parlor Room Theater presents Agatha Christie’s classic murder mystery about a newlywed couple who open a guest house in the country that is the scene of a murder. Thursday-Saturday at 7:30 p.m., Aug. 4 at 7:30 p.m., closes Aug. 4. Bishop McNamara High School, 6800 Marlboro Pike, Forestville. 202-340-8623. www.parlorroomtheater.com. $10.
“Hodges’ Chance: Treason and the War of 1812” An exhibition on John Hodges, a wealthy merchant who was charged with high treason in 1815 after he helped return prisoners to a British officer who had threatened to burn his home, Darnall’s Chance, unless they were released. Visitors can cast a vote for his guilt or innocence. Noon-4 p.m. Darnall’s Chance House Museum, 14800 Gov. Oden Bowie Dr., Upper Marlboro. 301-952-8010. www.pgparks.com. $3, seniors $2, ages 5-18 $1, age 4 and younger free.
Electric Brigade A live outdoor performance by the U.S. Naval Academy rock band. Part of the Sunset Concert Series. 7 p.m. O’Donnell Lake Restaurant Park, St. Patrick's Drive and Smallwood Drive W., Waldorf. www.usna.edu/usnaband. Free.
Kids’ Playwriting Festival The Twin Beach Players will put on the six winning entries in its eighth annual playwriting competition. The plays — “Booked” by Maddi Viteri, “Checkmate” by Anna Gorenflo, “Finding Her Way” by Adriana Money, “Help From Above” by Abby Petersen, “The Princess and the Cat” by Megan Cashman, and “Promlems? A Homecoming Promedy” by Chris Skarin — were chosen by a panel of theater professionals. Friday and Saturday at 7 p.m., Sunday at 3 p.m., through Aug. 11. North Beach Boys and Girls Club, 9021 Dayton Ave., North Beach. www.twinbeachplayers.com. $5.
Bad Company The rock band, led by original members Paul Rodgers, Mick Ralphs and Simon Kirke, performs hits such as “Feel Like Makin’ Love,” “Rock ’n’ Roll Fantasy” and “Ready for Love.” This is an outdoor concert. 7:30 p.m. Calvert Marine Museum, 14200 Solomons Island Rd., Solomons. 410-326-2042. www.calvertmarinemuseum.com. $47-$57.
“Blackbird” The Hard Bargain Players stage David Harrower’s drama based on the true story of Toby Studebaker, an American ex-Marine who ran off with a 12-year-old British schoolgirl he met on the Internet. “Blackbird” picks up 15 years after the relationship, when the pair reunite awkwardly. For mature audiences only. Friday and Saturday at 8 p.m. Closes Saturday. Alice Ferguson Foundation, Theatre in the Woods, 2001 Bryan Point Rd., Accokeek. 240-305-0876. www.hbplayers.org. $10, seniors and students $8. Reservations recommended.
Stone Pleasure Band The Charles County band performs old and new R&B. Must be age 21 or older. 8 p.m.-midnight. Miss Motley’s Cafe in the Bel Alton High School CDC, 9501 Crain Hwy., Bel Alton. 301-392-9794. www.belaltonalumnicdc.org. $12.
“Water Work” Artists Sally V. Parker, Lynn Mehta and Barbara Stepura display their latest works inspired by water. Closes Friday. Mattawoman Creek Art Center, Smallwood State Park, Route 224, Marbury. 301-743-5159. www.mattawomanart.org. Free, donations welcome.
Suitland bog tour A park ranger leads a hike along the hillside magnolia bog. 10 a.m.-noon. Suitland Bog Natural Area, Suitland Road, Suitland. 301-297-4575. www.pgparks.com. Free, registration required.
Young artist art show View and vote for a favorite entry in each age category. 2 p.m. New Carrollton Library, 7414 Riverdale Rd., New Carrollton. 301-459-6900. www.pgcmls.info. Free.
Summer Spirit Festival An outdoor concert featuring D’Angelo, Erykah Badu, Busta Rhymes, Rare Essence, Black Alley and Hiatus Kaiyote, with special guest host Mike Epps. 5 p.m. Merriweather Post Pavilion, 10475 Little Patuxent Pkwy., Columbia. 410-715-5550. www.merriweathermusic.com. $46-$125.
Artful Afternoon program Karen Arrington, artist in residence, leads a class on creating mobiles from recycled and repurposed materials. Then meet photographer Rahshia Linendoll-Sawyer and view her exhibit “Subversion,” which explores an imagined underwater world. Additional activities and a prize drawing will also be held. 1-4 p.m. Greenbelt Community Center, 15 Crescent Rd. 301-397-2208. www.greenbeltmd.gov/arts. Free.
“An Afternoon of Gospel” Performances by the Rev. James Flowers and the Flowers Family, and Y’Anna Crawley. 3-5 p.m. Holloway Estates Park, 9911 Rosaryville Rd., Upper Marlboro 301-203-6000. www.pgparks.com. Free.
Crown Victoria The group performs a mix of rock, country, blues and pop in the gardens. 5-7 p.m. Historic London Town and Gardens, 839 Londontown Rd., Edgewater. 410-222-1919. www.historiclondontown.com. $10.
“The Mighty Ducks” An outdoor screening of the 1992 Disney film starring Emilio Estevez as a selfish lawyer who is sentenced to community service as a coach for a losing hockey club. 8:15 p.m. 150 National Plaza, National Harbor. 877-628-5427. www.nationalharbor.com. Free.
“In the Heat of the Battle: War of 1812 on the Chesapeake Bay” Historic Annapolis hosts this sunset history cruise along the Chesapeake Bay to learn about the major theaters of the War of 1812 and the events that happened there. 6:30 p.m. Annapolis Marriott Waterfront Hotel, 80 Compromise St., Annapolis. 410-263-8994. www.annapolis.org. $42, seniors $40, ages 11 and younger $27. Reservations required.
“Behind the Lines: Southern Maryland and the Civil War”An exhibition on what life was like for Southern Maryland inhabitants while under Union occupation during 1861-65. Exhibit runs through Dec. 15. Surratt House Museum, 9118 Brandywine Rd., Clinton. 301-868-1121. history.pgparks.com. $3, seniors $2, ages 5-18 $1, age 4 and younger free.
Archie Edwards Jambassadors Take a blanket or lawn chair to enjoy live jazz music on the lawn. 7 p.m. Riversdale House Museum, 4811 Riverdale Rd., Riverdale Park. 301-864-0420. www.pgparks.com. Free.
— Compiled by