Explore the Yale Center for British Art and the Yale University Art Gallery in a fun new way. Both museums have launched mobile apps that offer visitors an in-depth guide to the architecture and collections. Celebrate the app launch with refreshments and tech guidance at the center (1080 Chapel St.) and the gallery (1111 Chapel St). Free. Noon-5 p.m.
Listen to a lecture by Jason McLennan, considered one of the world’s most influential leaders in architecture and the green building movement, who works with politicians, Fortune 500 companies, leading NGO’s, and others in the pursuit of a world that is “socially just, culturally rich, and ecologically restorative.” Free. Sterling Divinity Quadrangle, 409 Prospect St. 7:30 p.m.
View a screening of Nathaniel Kahn’s documentary about the contemporary art world. Followed by a discussion with Kahn, Jock Reynolds, former director of the Yale University Art Gallery, and others. Free. Whitney Humanities Center, 53 Wall St. 7 p.m.
Take in the 37th annual jam by the undergraduate a cappella group Mixed Company of Yale. Tickets: $5-$20; free for Yale students and alumni. Sheffield-Sterling-Strathcona Hall, 1 Prospect St. 7 p.m.
Examine historical maps on vellum and images gathered by drones and satellites that highlight current geospatial projects at the university, including the work of scholars from an array of schools and departments. Exhibition continues through April 1. Free. Center for Science and Social Science Information, Kline Biology Tower, 219 Prospect St. Noon-8 p.m.
Visit the Beinecke Rare Book and Manuscript Library, and discover its mission, history, architecture, collections, and services. Free. 121 Wall St. 1:30 p.m.
Immerse yourself in the musical works of 15th-century composer Guillaume Du Fay, performed by the New Haven ensemble Elm City Consort, with commentary on Du Fay’s life and legacy by Yale Ph.D. candidate William Watson. Free. Sudler Hall, 100 Wall St. 4 p.m.
Bring the entire family to the Yale University Art Gallery and discover its many treasures. The afternoon will include special art-making activities, storytelling in the galleries, and tours for children of all ages. Free. 1111 Chapel St. 11 a.m.- 4 p.m.
Check out the research performed in the library collections by four students, each of whom has curated one section of the exhibit. Topics include “Blanche Knopf: Publishing the Harlem Renaissance” and “Femininity, Feminism, and the Fight Over Smoking.” Exhibition continues through May 4. Free. Sterling Memorial Library, 120 High St. Noon-11:45 p.m.