Calendar

Tot Lot. 9 a.m.-noon, Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., info@babyphd.com, classes are $9 drop-in, $45 for a 10-session pass or $65 for a monthly pass. This class is intended for children 0-4 and their caregivers or parents to get together on a regular basis to learn, play and benefit from one another’s company.

Tot Lot and Outdoor Playground. 9 a.m.-1 p.m., Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., 773-643-4062, hpnclub.org, $9 drop-in, $45 for a 10-session pass or $65 for a monthly pass.

Jumu’ah Prayers. 1-1:45 p.m. and 1:45-2:45 p.m., Bond Chapel, 1050 E. 59th St, 773-702-2100. Muslim Friday prayers.

Lecture. “Envisioning Modern Portugal, Music and Nation.” 3:30-5:30 p.m., Fulton Hall, 5845 S. Ellis Ave., 773-702-8484, free. Salwa El-Shawan Castelo-Branco, of the New University of Lisbon, presents as part of the Music Department’s Visiting Committee Colloquium Series. Reception follows.

Franco-German Concert: Elysée Treaty 50th Anniversary. 5-6 p.m., International House, Assembly Hall, 1414 E. 59th St., 773-753-2274, free. Harpist Isabelle Olivier and violinist Mathias Tacke perform.

Film Screening. “Invisible War.” 6:30 p.m., First Unitarian Church, 5650 S. Woodlawn Ave., 773-324-4100, free. Featuring the 2012 film on rape in the military, with a following discussion led by a female veteran sexual assault survivor.

Film Screening. “The Days of the Commune.” 7 p.m., Logan Center, Screening Room 201, 915 E. 60th St., 773-702-8596, free. Featuring director Zoe Beloff’s 2013 film.

Concert. Contempo: Tomorrow’s Music Today II. 7:30 p.m., Logan Center, Performance Hall 074, 915 E. 60th St., 773-702-8068, free.

Art in Action. 10 a.m.-6 p.m., Logan Center, Courtyard, 915 E. 60th St., 773-702-2787, free. Featuring performances and workshops by Phinix Dance Crew, Latinas Progresando, Young Chicago Authors, and the South Side Free Music Program. Free lunch provided.

Lego Architects. 10 a.m.-noon, Robie House, 5757 S. Woodlawn Ave., 312-994-4000, gowright.org, $5 per child, free for accompanying adults. Kids ages 6 and up (accompanied by an adult) use Legos to create 3D model of a floor plan design. Visit gowright.org to buy tickets. Advance tickets required.

Performance and Discussion: Neuebody Research. 3-5 p.m., Hyde Park Art Center, 5020 S. Cornell Ave., 773-324-5520, hydeparkart.org. Lee Blalock’s performance, “Notation for Neue Movement Fidelity, No.1,” will make its debut as part of her solo exhibition at the Hyde Park Art Center, “Neue.”

Adult Book Discussion. 6 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511. Participants will discuss Charlotte Rogan’s “The Lifeboat.”

Film Screening. 7 p.m., Logan Center, screening room 201, 915 E. 60th St., 773-702-8596, free. Featuring several films addressing such issues as Jim Crow and gentrification, with an introduction by Sergio Mims, co-founder of the Black Harvest Film Festival. Seats can be reserved at ticketsweb.uchicago.edu/categories/film. Part of the L.A. Rebellion Film Series.

Concert. 8-9 p.m., Logan Center, Performance Hall 074, 915 E. 60th St., 773-702-8484, free. The University Chamber Orchestra performs music by Beethoven and Mozart as well as the world premiere of a U. of C. graduate student’s composition.