South African activist and Afro-Jazz musician Hugh Masekela will perform at 7 p.m. at the New Hazlett Theater as part of his 75th birthday tour. Presented by the Kente Arts Alliance, the flugelhornist, trumpeter, composer and singer has collaborated with such artists as Dizzy Gillespie, Marvin Gaye, Paul Simon and Stevie Wonder. In advocating for equal rights in his native South Africa, he was exiled for 30 years, returning following the release of Nelson Mandela. Tickets, $45, at www.showclix.com or 1-888-71-TICKETS.
Grammy-winning jazz and R&B vocalist Gregory Porter performs at The Cabaret at Theater Square, 655 Penn Ave., Downtown, at 8 p.m. Mr. Porter won his best jazz vocal album Grammy in January for "Liquid Spirit." For tickets, $30.75, TrustArts.org or 412-456-6666.
Vanessa Farquharson, the 2014 Heinz Distinguished Lecturer, will speak at 4:30 p.m. in the William Pitt Union Ballroom, 3959 Fifth Ave., Oakland. Each day for a full year, Ms. Farquharson made one eco-friendly change to see if going green would have an impact on her life. "Sleeping Naked and Showering in the Dark: The Fun Path to Green Living" recaps her yearlong journey chronicled first in her blog and then in her book, "Sleeping Naked Is Green: How an eco-cynic unplugged her fridge, sold her car and found love in 366 days." For more information and to register visit www.mascarocenter.pitt.edu/heinzlecture. Validated parking will be provided directly across from the William Pitt Union in the Soldiers & Sailors parking garage, 4215 Fifth Ave., Oakland.
Violinist Dawn Posey and harpist Nuiko Wadden, members of the Pittsburgh Opera orchestra and the Des Moines Metro Opera, will perform French music at a 7:30 p.m. concert at the Pittsburgh Opera headquarters, 2425 Liberty Ave., Strip District. Pittsburgh Symphony Orchestra violist Marylene Gingras Roy and Freya String Quartet cellist Katya Janpoladyan will also perform in the program, which features works by Ibert, Ravel and others, and the premiere of a new piece by local composer Mark Fromm. Free; $10 donation suggested. Light refreshments will follow.
FRIDAY AND SATURDAY
Comedian and actor Cedric the Entertainer will perform at the Pittsburgh Improv, 166 E. Bridge St., The Stacks at the Waterfront in Homestead. He's best known for performances in such films as "Barbershop" and "The Original Kings of Comedy" and the TV show "The Soul Man." Showtimes are 8 and 10:15 p.m. Friday and 7 and 9:15 p.m. Saturday. Tickets: $45; www.improv.com or 412-462-5233.
FRIDAY AND SATURDAY
"The Secret History of Love" will be performed by Sean Dorsey Dance at the Kelly Strayhorn Theater, 5941 Penn Ave., at 8 p.m. Based on real-life stories from decades past, the performance reveals how people in the lesbian, gay, bisexual and transgender community survived tremendous obstacles and found love. Speakeasies, wartime love affairs, police raids and steamy underground cabarets explode on stage in this powerful work by transgender trailblazer Sean Dorsey of San Francisco. For tickets, $25, $20 for 15206 residents and $15 for students/artists, www.kelly-strayhorn.org.
The Pittsburgh Civic Orchestra will present its annual Young Artist Competition winners at 7:30 p.m. at the Upper St. Clair High School theater, 1815 McLaughlin Run Road. Harpist Sophia S. Lee, violinist Julie Choe and pianist Catherine Zhang will perform works by Gliere, Bruch and Mozart. The orchestra will also play pieces by Schubert, Supper (with cellist Ahmer'e Blackman) and Johann Strauss II (with dancers from the Ballet Academy of Pittsburgh). $5-$10, available at the door; more at 412-279-4030 or www.pittsburghcivicorchestra.net.
The John McIntire Dangerously Live Comedy Talk Show presents "Yuppies vs. Yinzers ... can we all just get along?" at the Cabaret Theater, 655 Penn Ave., Downtown, at 10:30 p.m. Pittsburgh is changing. Can the old guard handle it? Will these whippersnappers believe they actually have the right to remove lawn chairs from street parking places? Panelists include Councilman Dan Gilman, Pittsburgh police spokeswoman Sonya Toler, PG SEEN columnist Natalie Bencivenga and tech entrepreneur Kit Mueller. Admission is $10 or free with ticket stub from a same-night Cultural Trust event. Information: www.trustarts.org or 412-325-6769.
Irish novelist, memoirist and poet Edna O'Brien speaks in Carlow University's Rosemary Heyl Theatre, in Antonian Hall, 3333 Fifth Ave., at 7:30 p.m. to celebrate the 10th anniversary of the university's master of fine arts in creative writing program. The doyenne of Irish literature, Ms. O'Brien will speak on "A Life of Writing" and read from her recent memoir, "Country Girl." Tickets are $15, $5 for students and free for Carlow students. To register, www.carlow.edu.
"Erth's Dinosaur Zoo Live" will be at the Hillman Center for Performing Arts on the Shady Side Academy Senior School campus, 423 Fox Chapel Road, Fox Chapel, at 7:30 p.m. Cute baby dinosaurs and a giant teeth-gnashing Tyrannosaur will come to life in this theater production that takes audiences on a tour through prehistoric Australia and brings an eye-popping array of ancient creatures to life on stage. A special preshow dinosaur party with the Carnegie Museum of Natural History features dinosaur activities and face painting for kids from 6:30-7:30 p.m. For tickets, $25 for adults, $20 for seniors and $15 for students, www.thehillman.org or 412-968-3040.