Watch real-life, same-sex couple George and Nir as they portray characters in a drama that addresses the dilemma of whether or not to have children. The play continues on Saturday. International Festival of Arts & Ideas. Tickets: $35 & $55. Frederick Iseman Theater, 1156 Chapel St. 8-9 p.m.
Listen to photo-portraitist Michael Childers share anecdotes about his work and interactions with notable writers. International Festival of Arts & Ideas. Free. Beinecke Rare Book & Manuscript Library, 121 Wall St. 5-6 p.m.
View a rotating selection of United States Supreme Court Justice Bobbleheads, including Justices Harry A. Blackmun, Ruth Bader Ginsburg, Clarence Thomas, David J. Brewer, Benjamin R. Curtis, and Louis D. Brandeis. Exhibition continues through Aug. 28. Free. Law Library Reading Room, Sterling Law Buildings, 127 Wall St. 8 a.m.-10 p.m.
Enjoy dancer and choreographer Sara Xiao and composer and musician Liam Bellman-Sharpe as they perform an experimental work that is constantly in flux. International Festival of Arts & Ideas. Free; register in advance. Center for Collaborative Arts and Media, 149 York St. 2-2:45 p.m. & 4:30-5:15 p.m.
Listen to Supreme Easy A.D. of the Legendary Cold Crush Brothers and Nikki D, the first female emcee signed to Def Jam Records, engage in an in-depth conversation about the birth of hip hop as a culture & their inside perspectives of hip hop’s contribution to the world and the music industry. International Festival of Arts & Ideas. Free. Alexion Pharmaceuticals, 100 College St. 3:30-5 p.m.
Enjoy a performance by contemporary R&B performer Vivian Green, whose hit songs include “Gotta Go Gotta Leave (Tired)” and “Emotional Rollercoaster.” International Festival of Arts & Ideas. Free. New Haven Green. 7:30-9:45 p.m.
Be part of an audience-participation event when Tango Todo Terreno leads a series of dance exercises, creating a collective and spontaneous experience. International Festival of Arts & Ideas. Free. New Haven Green. 12:45-1:45 p.m.
Discover Sister Fun, the all-female band that has been described as a combination of “a three-ring circus and a Hawaiian vacation.” International Festival of Arts & Ideas. Free. New Haven Green. Noon-12:45 p.m., 1:45-2:30 p.m., and 3-3:45 p.m.