An "Open Mic Poetry Night" will be held from 5 to 7 p.m. at the Westmoreland Museum of American Art's Westmoreland @rt 30 location in celebration of National Poetry Month. Poets high school age or older are welcome to share their original poems, and poetry lovers may read or recite favorite poems. If you plan to recite or read, please contact Joan McGarry, director of education & visitor services at 724-837-1500, ext. 119. The event is free. Address: 4764 State Route 30, east of Greensburg. Information: www.wmuseumaa.org.
Prime Stage Theatre honors Shakespeare's 450th birthday with swordplay and seldom-heard monologues and scenes with "Shakespeare Unleashed." The Shakespearean evening begins at 7, with performances running 7:30-8:30, at Max's Allegheny Tavern, 537 Suismon St., North Side. Tickets are $15 and available in advance only at www.primestage.com.
Israel Houghton & New Breed and Martha Munizzi perform at the I Promise Now, Inc. benefit concert for the Children's Hospital of Pittsburgh Foundation at the Benedum Center, Downtown, at 7 p.m. All-white attire is requested but optional. Tickets: $38.75-$88.75; www.trustarts.org or 412-456-6666.
FRIDAY THROUGH NEXT SUNDAY
Comedian and actor John Witherspoon 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 "Friday," "Next Friday" and "Friday After Next" and as Pops on "The Wayans Bros." long-running sitcom. Showtimes are 8 and 10:15 p.m. Friday; 7 and 9:15 p.m. Saturday and 7 p.m. Sunday. Tickets: $25; www.improv.com or 412-462-5233.