- INSCAPE Chamber Orchestra will push the boundaries of classical music with performances of Dale Trumbore, Camille Saint-Saëns and Gustav Mahler compositions. 3:30 p.m. Free. National Gallery of Art, 6th and Constitution avenues NW. 202-737-4215.
- The Peabody Renaissance Ensemble of Johns Hopkins University will perform a program entitled “The Rite of Spring” — featuring music on period instruments by Vivaldi, Scheidt, Ortiz and others — for a celebration of the ensemble’s 30th anniversary. 4 p.m. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
- Texas-based Organist Jamila Javadova-Spitzberg will perform an organ recital featuring works by Bach and Mendelssohn. 5:15 p.m. Free; $10 donation suggested. Washington National Cathedral, 3101 Wisconsin Ave. NW. 202-537-6200.
- The Kennedy Center will present “Annelies,” a choral performance consisting of a soprano soloist, choir and instrumentalist performing a selection of text from “The Diary of Anne Frank,” as part of an event named after the young girl’s full first name. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- Washington Performing Arts will present Grammy-winning trumpeter Chris Botti, best known for his ability to fuse jazz and pop music. 7 p.m. $45 to $110. Concert Hall at the Kennedy Center, 2700 F St. NW. 202-833-9800.
Discussions and lectures
- The “Earth Day 2018: End Plastic Pollution” forum will feature screenings of film clips about plastic pollution, followed by discussions with presenters from the Plastic Pollution Coalition. 10 a.m. Free. Washington National Cathedral, 3101 Wisconsin Ave. NW. 202-537-6200.
- Art historian and University of Chicago professor Darby English will discuss and sign copies of his book, “1971: A Year in the Life of Color” — an examination of two 1971 exhibitions that introduced modernist painting and sculpture into American cultural politics. Noon. Free. National Gallery of Art, 6th and Constitution avenues NW. 202-737-4215.
- PBS’ Indie Lens Pop-Up program will screen “Look and See: Wendell Berry’s Kentucky,” a documentary about poet and activist Wendell Berry, who has devoted his life to agriculture and nature in an increasingly consumerist and industrial world. This event will feature discussion with poets Melissa Tuckey of Split This Rock and Naomi Ayala. 5:30 to 7:30 p.m. Free. Busboys and Poets 14th and V, 2021 14th St. NW. 202-387-7638.
- Washington, D.C. families, businesses and volunteers dedicated to the fight for the health of all moms and babies are asked to take part in this year’s March for Babies, March of Dimes fundraising event. Together we hope for a day when all moms and babies are healthy. Music will be provided along with a light breakfast and lunch. 8 a.m. registration, with the walk starting at 9 a.m. Nationals Stadium, 1500 South Capital St., SE. marchforbabies.org.
- Woodrow Wilson High School will hold its annual Tenley Tiger 5K, 1-mile race and Kids Fun Run, which will all begin and end at the high school. Proceeds will benefit the school’s cross country and track and field teams. First race starts at 9 a.m. $10 to $30. Woodrow Wilson High School, 3950 Chesapeake St. NW. TenleyTigerRun.com.
- Folger Theatre will celebrate the birthday of William Shakespeare with an annual open house including all-day free entertainment, activities and birthday cake for all ages. Noon. Folger Shakespeare Library, 201 East Capitol St. SE. 202-544-7077.