The Ultimate Play Day, the first of what is planned to be an annual event to celebrate children and play, will be held from 1 to 5 p.m. at Schenley Plaza, Oakland. The free event will offer activities by participant organizations including the Pittsburgh Association for the Education of Young Children, Carnegie Museum of Art, Carnegie Library of Pittsburgh, Pittsburgh Parks Conservancy and Children's Museum of Pittsburgh. For more info, www.pittsburghparks.org.
Organist Ahreum Han will perform at Shadyside Presbyterian Church, 5121 Westminster Place, at 4 p.m., co-presented by the Music in a Great Space series at the Organ Artists Series. The award-winning organist was a featured soloist at the National Convention of the American Guild of Organists in 2012. $10-$20; more at 412-682-4300 or www.shadysidepres.org.
Pianist Douglas Levine will be joined by clarinetist Susanne Ortner-Roberts and mezzo-soprano Raquel Winnica-Young for a free concert in the Music at Rodef Shalom Series at 8 p.m. The performance includes Mr. Levine's "Klezmer Suite" and "Proverb Songs" (world premiere).
Pittsburgh Shakespeare in the Parks' BYOB ("Bring Your Own Bard") presents "Shakespeare's Star Wars" at Te Cafe, 2000 Murray Ave., Squirrel Hill, at 7:30 p.m. George Lucas' "Star Wars" is re-imagined (by Ian Doescher) as William Shakespeare might have written it. Professional actors and "Star Wars" junkies alike will ham it up with readings of the key scenes and soliloquies of this classic adventure. Be sure to contact "BYOB" if you'd like to claim your favorite "Star Wars" character to read. Lightsabers optional. A $10 donation is suggested. Doors open at 7:15 p.m. Anyone interested in reading should contact BYOB@pittsburghshakespeare.com or 412-521-6406, or visit Facebook at Pittsburgh Shakespeare in the Parks.
The Matt Murchison Mutiny, a local chamber ensemble, will perform at the Andrew Carnegie Free Library and Music Hall at 300 Beechwood Ave., Carnegie at 7:30 p.m. The band plays an eclectic mix of instruments, including violin, trumpet, euphonium and piano. The so-called "Mutineers" will play original pieces and faithful or unusual takes on works by artists such as Bela Fleck and Tom Waits. $15 at the box office. More at www.carnegiecarnegie.org or www.mattmurchisonmutiny.com.
Jazz pianist Robert Glasper performs at 8 p.m. at the Cabaret at Theater Square, 655 Penn Ave., Downtown. Mr. Glasper reconciles modern jazz with hip-hop and R&B. He won a 2013 Grammy Award for best R&B album, "Black Radio." This event is part of National Jazz Appreciation Month. For tickets, $35.75, www.trustarts.org or 412-456-6666.
New Horizon Theater presents Grammy-winning vocalist Regina Belle at the Kelly Strayhorn Theater, 5941 Penn Ave., East Liberty, at 7:30 p.m. Her hits include the duet "A Whole New World" (with Peabo Bryson), "If I Could," "Make It Like It Was" and "Dream In Color." Doors open at 6 p.m. For more info and tickets, $40 to $100, www.kelly-strayhorn.org, www.newhorizontheater.org or 412-431-0773.
A Cinco de Mayo celebration will be held from 1 to 8 p.m. by South Arts at the Historic Schoolhouse, 2600 South Park Road in Bethel Park. It begins with the free, public opening of an art exhibition. A dinner will be held from 5 to 8 p.m. that will include shredded beef tacos, rice, beans, salsa, chips, dessert and "all the trimmings." Dinner tickets, $12, will be sold at the door. (www.southartspittsburgh.org.)
The John McIntire Dangerously Live Comedy Talk Show presents "Getting Around Pittsburgh: Who's The Most Incompetent?" at the Cabaret Theater, 655 Penn Ave., Downtown, at 10:30 p.m. How is it that such a huge percentage of the population can't seem to get from one place to the other around here without getting in our way? Do we have more inept travelers than other cities? Who is the worst? Drivers, pedestrians, bicyclists? Or is it a tie? Join Mr. McIntire and panelists including forensic pathologist Dr. Cyril Wecht and Post-Gazette Columnist Brian O'Neill for an irreverent look at the incompetents among us. Admission is $10 or free with ticket stub from a same-night Cultural Trust event. Information: www.trustarts.org or 412-325-6769.