Ritmo Caché The college’s Latin band plays salsa, Afro-Cuban, jazz, pop, bossa nova, merengue and tejano. 6:45 p.m. College of Southern Maryland, Prince Frederick campus, 115 J.W. Williams Rd., Prince Frederick. 443-550-6000. www.csmd.edu/arts. Free.
Natty Beaux The “finger-snappin’, head boppin’ ” combo performs big band and swing music in an outdoor concert. 7-8:30 p.m. Watkins Regional Park, 301 Watkins Park Dr., Upper Marlboro. 301-699-2456. www.pgparks.com. Free.
Skip Mahoney and the Casuals Formed in 1965, this R&B/soul group will perform its greatest hits. 7 p.m. Blue Dolphin, 1166 Route 3, Gambrills. 410-721-9081. www.theashleighgroup.com. $30.
Thad Wilson and Kindred Soul The local trumpeter/composer performs with his five-piece band. 7 p.m. Joe’s Movement Emporium, 3309 Bunker Hill Rd., Mount Rainier. 301-699-1819. www.joesmovement.org. $10.
“The Mousetrap” Parlor Room Theater presents Agatha Christie’s classic murder mystery about a newlywed couple that opens a guest house in the country that is the scene of a murder. Thursday-Saturday at 7:30 p.m., Sunday at 2 p.m., closes Aug. 4 at 7:30 p.m. Bishop McNamara High School, 6800 Marlboro Pike, Forestville. 202-340-8623. www.parlorroomtheater.com. $10.
“The Tale of the Allergist’s Wife” The Bowie Community Theatre presents stories of a high-society doctor’s wife whose world is shaken when an old childhood friend suddenly reappears. Thursday-Saturday at 8 p.m. Bowie Playhouse, 16500 White Marsh Park Dr., Bowie. 301-805-0219. www.bctheatre.com. $20, seniors and students $15.
Gridloc Band The soul band performs a variety of music. Must be 21 or older. 8 p.m.-midnight Miss Motley’s Cafe, 9501 Crain Hwy., Bel Alton. 301-392-9794. www.belaltonalumnicdc.org. $12.
Sendy Brown The Washington area jazz vocalist performs at the outdoor Wind Down Thursdays concert series. 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.
“Tidewater Archaeology Days” A guided exploration of various Colonial sites and a tour of the archaeology laboratory. Friday-Saturday at 10 a.m.-4 p.m. Historic St. Mary’s City, 18751 Hogaboom Lane, St. Mary's City. 240-895-4990. www.stmaryscity.org. $10, seniors $9, students $6, age 5 and younger free.
“Sure Thing” and “The Actor’s Nightmare” Two one-act, kid-friendly plays will be staged as part of the Twilight Performance Series. Friday-Saturday at 7 p.m. College of Southern Maryland, La Plata Campus, 8730 Mitchell Rd., La Plata. 301-934-2251. www.csmd.edu/arts. $5.
Marenje Marimba The eight-piece ensemble performs African songs and rhythms using homemade instruments. Part of the outdoor Sunset Concert Series. 7 p.m. O’Donnell Lake Restaurant Park, St. Patrick’s Drive and Smallwood Drive West, Waldorf. www.stcharlesmd.com. Free.
Some Assembly The band plays a mix of Irish, Scottish, French, English and Canadian music. 7:30-10 p.m. Westlawn Inn, 9200 Chesapeake Ave., North Beach. 410-257-0001. www.westlawninn.com. Free, reservations recommended.
The Winstons The D.C.-based 1960s R&B/soul group performs an outdoor concert. 7:30-9:30 p.m. Montpelier Mansion Grounds, 9650 Muirkirk Rd., Laurel. 301-776-2805. www.southlaurelrecreationcouncil.org. Free.
“Seussical the Musical” The Summer Youth Production presents the story of Horton, an elephant who discovers a speck of dust containing a world of “Whos.” Friday and Saturday at 8 p.m., Sunday at 2 p.m., through Aug. 18. Laurel Mill Playhouse, 508 Main St., Laurel. 301-617-9906. www.laurelmillplayhouse.org. $18; seniors, students and military $15.
Dee of St. Mary’s cruise Attendees can learn the ways of a working waterman as they sail the Patuxent River with Captain Ed. 2-4 p.m., meet at Lore Oyster House, Calvert Marine Museum, 14200 Solomons Island Rd., Solomons. 410-326-2042. www.calvertmarinemuseum.com. $25, pre-registration required.
Pyrates Royale Dressed in Celtic pirate wardrobe, the band plays traditional and modern acoustic maritime music. 6 p.m. Calvert Marine Museum, 14200 Solomons Island Rd., Solomons. 410-326-2042. www.calvertmarinemuseum.com. $10 at door only.
“Jazz Under the Stars” Pianist and composer David Bach performs outdoors. 7 p.m. Beltsville Community Center, 3900 Sellman Rd., Beltsville. 301-937-6613. www.pgparks.com. Free.
“Honky Tonk Dance” A live concert by Bennie Potter & Western Electric and Patsy’s Honky Tonk Torch & Twang. Free dance lesson during intermission. 8 p.m.-midnight American Legion Post 217, 9218 Baltimore Ave., College Park. 301-441-2783. . $10.
Public star party The Southern Maryland Astronomical Society hosts this event to explore the night sky with a variety of astronomical equipment. 9 p.m. Nanjemoy Creek Observatory, 5300 Turkey Tayac Pl., Nanjemoy. www.smas.us. Free.
The Crawdaddies The band plays a mix of Cajun, zydeco and blues sounds with rock, Americana and ska influences. This is an outdoor performance; lawn chairs or blankets are recommended. 6-7:30 p.m. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. 301-779-0371. www.pgparks.com. Free.
“The Goonies” An outdoor showing of the classic 1985 film. 8:20 p.m. National Harbor, 150 National Plaza, National Harbor. 877-628-5427. www.nationalharbor.com. Free.
“Text/Message: A Teen Art Exhibit” Creative writing and visual and performing art. Closes Sunday. Annmarie Garden, 13480 Dowell Rd., Solomons. 410-326-4640. www.annmariegarden.org. $5, seniors and military $4, ages 6-17 $3, age 5 and younger free.
“Annapolis Through the Camera’s Lens” Local photographer Roger Miller shares his knowledge of three must-see spots in the town during a sunset cruise aboard the 74-foot schooner Woodwind. Sponsored by Historic Annapolis. 6:30 p.m. Annapolis Marriott Waterfront Hotel, 80 Compromise St., Annapolis. www.annapolis.org. $42, seniors $40, age 11 and younger $27. Reservations required.
Terrific Tuesdays This family event includes unlimited mini golf and rides on the train and carousel, plus a screening of “Here Comes the Boom” outdoors on the big screen at 8:45 p.m. Begins at 5:30 p.m. Watkins Regional Park, 301 Watkins Park Dr., Upper Marlboro. 301-699-2456. www.pgparks.com. $5.
Bruce Ewan Known as the “Red Harmonica King,” Ewan performs jazz in an outdoor concert with Steve Jacobs. 7 p.m. Riversdale House Museum, 4811 Riverdale Rd., Riverdale Park. 301-864-0420. history.pgparks.com. Free.
— Compiled by Jillian S. Jarrett
from staff reports