- Children between the ages of 10 and 16 are welcome to a program on “The Art and Science of Orchids” hosted by the U.S. Botanic Garden, where participants can dissect flowers then create several original art pieces. 1:30 to 3:30 p.m. Free; pre-registration required. U.S. Botanic Garden Conservatory Classroom, 100 Maryland Ave. SW. 202-225-8333.
- The National Theatre will welcome a live theatrical production of Bubble Guppies Live! Ready to Rock, based off the hit preschool series “Bubble Guppies” on Nickelodeon, including popular music from the show and an adventure with characters like Molly, Gil and Mr. Grouper. 2 to 6 p.m. $29 to $79. The National Theatre, 1321 Pennsylvania Ave. NW. TheNationalDC.com.
- Baritone Thomas Meglioranza and pianist Reiko Uchida will play tribute to the prolific Austrian composer Franz Schubert, who combined folk music with the sublime in his immensely moving song cycle, Die schöne Müllerin, which the duo will perform as part of the Steinway Series. Free. 3 p.m. McEvoy Auditorium, Smithsonian American Art Museum, 8th and F streets NW. 202-633-1000.
- Vocal ensemble Heinavanker (Estonian for “hay wagon”) will perform a repertoire that consists of ancient Estonian runic songs and folk hymns. 3:30 p.m. Free. National Gallery of Art, 6th and Constitution avenues. 202-737-4215.
- Soprano Simone Brown and pianist Sandi Lewanika will perform spiritual arrangements by American composers as part of the Society of the Cincinnati’s Spring American Music Series. 4 p.m. Free. Anderson House, 2118 Massachusetts Ave. NW. 202-785-2040.
- The Washington Men’s Camerata and the Virginia Glee Club from the University of Virginia will perform Ralph Vaughan Williams’ 1936 cantata, “Dona Nobis Pacem (Grant Us Peace).” Written shortly before World War II and inspired by the memory of World War I, the piece draws upon poems, political speech and Biblical texts to make a plea against war. 5 p.m. $15 to $60. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
- The Kennedy Center’s Target Family Night will include a performance from the Sticks+Bars Youth Marimba Ensemble and the Concert Chorus of the Children’s Chorus of Washington, with music including a diverse repertoire of traditional, folk, spiritual, gospel, Motown, pop music and original compositions. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600
Discussions and lectures
- Frances Mayes, the author of the classic novel “Under the Tuscan Sun” 20 years ago, will sign copies of her new novel “Women in Sunlight,” describing the lives of four American women who come to Tuscany ready and eager to let Italy work its magic on them and discover their Italian selves. 11 a.m. Free admission. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Joseph A. Esposito will discuss his book “Dinner in Camelot: The Night America’s Greatest Scientists, Writers, and Scholars Partied at the Kennedy White House,” about a White House dinner party in 1962 that was attended by guests of clashing views and backgrounds. 1 to 2 p.m. Free admission. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- “Positive Barbarism: Brutal Aesthetics in the Postwar Period” will focus on philosopher Walter Benjamin and his concept of barbarians. 2 p.m. Free. National Gallery of Art, 6th and Constitution avenues NW. 202-737-4215. A screening of this lecture will be shown on April 11 at noon.
- Denver Brunsman, an associate professor of history at George Washington University, will lead a discussion as part of the Profs and Pints lecture series titled “When Washington Burned,” giving details on how the British invaded and torched the capital city in August 1814 as a result of the War of 1812. 6 p.m. $10 to $12. Bier Baron Tavern, 1523 22nd St. NW. Visit BrownPapertTickets.com/event/3355190 for tickets.
- Voices from the Holy Land will hold a screening at three different locations of the film “Roadmap to Apartheid,” which examines the apartheid analogy used to describe the Israeli-Palestinian conflict. 2:30 p.m. Free. Westminster Presbyterian Church, 400 I Street NW. The film will simultaneously be shown at St. John’s Norwood Episcopal Church, 6701 Wisconsin Ave., Chevy Chase, and at Ravensworth Baptist Church, 5100 Ravensworth Road, Annandale. Contact N. Adams for more information at 202-294-8494.
- Voices from the Holy Land will hold screening of the documentary “Disturbing the Peace” about former enemy combatants from Israel and Palestine coming together to change the status quo. 2:30 p.m. Free. Unitarian Universalist Church of Arlington, 4444 Arlington Blvd. Arlington. Contact N. Adams for more information at 202-294-8494.
- Vanessa Renwick will present a screening of the film, “Who Is Bozo Texino?” which delves into the history of hobo and railway-worker graffiti. The film will be preceded by a showing of Renwick’s short, “Richart,” about collagist and front yard artist Richard Tracy. 4 p.m. Free. National Gallery of Art, 6th and Constitution avenues NW. 202-737-4215.
- The Nu Beta Chapter of Alpha Phi Alpha Fraternity Inc. will sponsor its annual “Step Your Game Up” charity step show featuring fraternities, sororities and exhibition teams from across the country. 5 p.m. $10 to $20. George Washington University’s Lisner Auditorium, 730 21st St. NW. 202-994-6800.
- The Abner Cloud House, a three-story house built in 1801 and designated the finest example of Federal architecture in D.C. by Thomas Kleppe, the Interior Secretary in 1976, will be open to the public. Noon to 5 p.m. Free admission. Abner Cloud House, C&O Canal National Park, Canal and Reservoir roads NW. Email Mayhugh2@verizon.net for more information.
- A private, guided tour of the United States Holocaust Memorial Museum will honor the lives of the LGBTQ individuals lost in the Holocaust. The tour will take place before the museum opens to the public. 9 a.m. to 12:30 p.m. $21.50. United States Holocaust Memorial Museum, 100 Raoul Wallenberg Place SW. Contact email@example.com.