performance Thursdays on the Terrace: Lafcadio and Lake Inferior. Graham Memorial. Noon–2 pm.

performance N.C. Jazz Repertory Orchestra: We Sing America: The Great American Songbook. Memorial. 8 pm. $

performance “Kudzu: A Southern Musical,” by Jack Herrick, Doug Marlette and Bland Simpson. Chatham Mills, Pittsboro. Runs 4/24–26; 5/1–3. $ chathamarts.org

seminar Program for the Humanities & Human Values: “Colonialisms Compared – Empires Across Time and Space.” Ctr for School Leadership Development. 9:15 am–5:15 pm. $ 962-1544. adventuresinideas.unc.edu

tour Free hard-hat tour of the North Carolina Botanical Garden’s new green Education Center given by garden director Peter White. 10–11 am. Call 962-0522 for reservation. ncbg.unc.edu/pages/69

skywatching Free skywatching session at Jordan Lake, led by Morehead Planetarium educators, local astronomers. 8–10 pm. snipurl.com/fytse

family workshop North Carolina Botanical Garden’s Earth Day Family Workshop: Plants that Trap Insects. 2–4 pm. Call 962-0522. $

ncbg.unc.edu/pages/24/#earth_day

performance UNC Symphony Orchestra performs Mozart’s Concerto for Flute and Harp and Prokofiev’s Romeo and Juliet Suite No. 2. Memorial Hall. 7:30 pm. music.unc.edu

seminar “Russia and Its Empires, East and West.” David Engerman, Brandeis U. 4003 FedEx Global Education Ctr. 5:30 pm. www.unc.edu/depts/slavic

seminar Program for the Humanities & Human Values: “Moral Philosophy –Two of the Modern Classics,” A Distinguished Scholar Seminar with Geoffrey Sayre-McCord. Ctr for School Leadership Development. 4:30–9 pm, continues 5/9, 9 am–12:30 pm. $ 962-1544. adventuresinideas.unc.edu

doctoral hooding Adron Harris, speaker. Smith Ctr. 10 am.

commencement Desmond Tutu, speaker. Kenan Football Stadium. 9:30 am.

unc.edu/commencement