“Same Sex Marriage Portrait Project/Future Archive: Where are they now?” art reception from 6 to 9 p.m. Friday at Gallery 263, 263 Pearl St., Cambridgeport. Free.

Photographer Jeannie Simms has tracked down some of the first same-sex couples to be married in Cambridge and Massachusetts – including people married in Cambridge on May 17, 2004, the first place and day for legal same-sex weddings in the United States – to answer, “Where are they now” and show the rapid social and political change around the LGBTQ community. The exhibit is on display through Dec. 19, but this reception includes a talk with the photographer. Information is here.

“An Evening with ‘Radio Boston’: A Discussion of the Year in Books” at 7 p.m. Friday at Harvard Book Store, 1256 Massachusetts Ave., Harvard Square. Free.

WBUR-FM’s “Radio Boston” will be taping this discussion of the year in literature in the store, surrounded by books and book lovers. Co-host Meghna Chakrabarti, writer and educator Jennifer De Leon and Harvard Book Store staffers Rachel Cass and Liz Sher will weigh in on the books of 2015, answer audience questions and be on hand to recommend titles to those in attendance. Information is here.

“The Prison Problem” talk featuring Prodigy from 8 to 10 p.m. Friday at the Entertainment Media & Sports Club in the Maclaurin Buildings at 222 Memorial Drive at the Massachusetts Institute of Technology. Free.

Critically acclaimed rapper and author Prodigy, half of hip-hop duo The Infamous Mobb Deep and also known as Albert Johnson, talks with MIT professor Ian Condry about prison – he served three years for possession of a weapon – and how his art and thoughts of advancing “the culture” saw him through. Information is here.

All-America City Grooversity Festival from 1 to 5 p.m. Saturday at East Somerville Community School, 50 Cross St., Somerville. Free.

This will be the fourth annual event, but it celebrates Somerville’s third winning of the “All America City” designation with renowned drumming and percussion masters, a community drum circle and performances by Somerville Public Schools’ world percussion ensembles. A two-hour Youth Activity Fair starts the day with exhibitions, games and activities for children, including community garden tours, trivia and scavenger hunt games, giveaways and raffles. Information is here.

“The Lion & The Clown: A Rumi Lovesong for Beauty & the Beast” at 2 and 9:30 p.m. Saturday at the Davis Square Theatre, 255 Elm St., Somerville. Tickets are $15 (or $16.52 with an online service fee).

This original play by Ellen Morbyrne follows Sarah, who is turned into a lioness by a curse, and Faerie, the one who cursed her, as they entangle themselves in the life of a modern, down-on-its-luck circus and explore the power of choice and the redemptive force of love with poetry, obscenity (the show is not intended for children and is limited to those 21-plus) and magic. Morbyrne directs as well for Real Live Theatre, employing music composed and performed by Cynthia Zaitz. Information is here.