The spring lecture series, co-sponsored by Carnegie Mellon School of Architecture and the Heinz Architectural Center at Carnegie Museum of Art, continues at 6 p.m. at the museum. Michel Rojkind, of Mexico City-based rojkind arquitectos, will speak on "Overstimulation." The firm's multinational team works globally, simplifying complex digital designs for practical applications and developing innovative urban strategies. It's free and open to the public. 412-622-3131 or www.cmoa.org.
Pittsburgh Shakespeare in the Parks' BYOB ("Bring Your Own Bard") explores "Shakespeare's Ghosts," featuring Shakespeare pieces about ghosts, goblins, witches and other creatures of the night: the ghost of a murdered father, a spirit who invites himself to dinner, goblins wreaking mischief and witches chanting obscure prophecy at Te Cafe, 2000 Murray Ave., Squirrel Hill, at 7:30 p.m. Audience members and participants can show up with a monologue or scene ready to read, jump in and join another scene, or just listen and enjoy. The informal scene night is open to all ages, professional actors and non-actors alike; children welcome. A $10 donation at the door is suggested. Doors open at 7:15 p.m. Anyone interested in reading should contact BYOB@pittsburghshakespeare.com, 412-521-6406, or visit Facebook at Pittsburgh Shakespeare in the Parks.
Organist Nathan Laube will earn his master's in organ performance from a music academy in Stuttgart, Germany, in June. But he doesn't seem to need it -- the Chicago native has been performing across the globe for years. Mr. Laube brings his skills to the four-manual, 110-rank instrument in Trinity United Presbyterian Church in Uniontown (79 W. Fayette St.) for a free concert at 7:30 p.m. He will play compositions by Widor, Bach and Mozart -- the latter's curious Fantasy for Mechanical Organ -- Mendelssohn and Rossini (the wild "William Tell Overture" in his own transcription). lnformation: 724-437-2709 or www.trinityupc.net.
Edda Fields-Black, associate professor of history at Carnegie Mellon University, will speak on the "Diaspora of Design" at 7 p.m. at The Frick Art Museum, 7227 Reynolds St., Point Breeze. The free public talk will chronicle the migration of African ceramic design and technique from East Africa to the Indian Ocean. The talk is presented in conjunction with the exhibition "A Kind of Alchemy: Medieval Persian Ceramics," which continues through June 16. Tonight only there will be a display of African-inspired children's art created in collaboration with Frick community partners. Information: 412-371-0600 or www.TheFrickPittsburgh.org.
THURSDAY through NEXT SUNDAY
New Horizon Theater Inc. presents "Black Pearl Sings" at the Kingsley Association, 6435 Frankstown Ave., East Liberty, at 7:30 p.m. Thursday-Sunday and matinees at 3 p.m. Saturday-Sunday. Written by Frank Higgins and directed by Linda Haston, this play with music is set during the Great Depression. Susannah, a white song collector/researcher for the Library of Congress, is visiting prisons in search of old-time songs when she meets Pearl, a black inmate with a repertoire of folk songs going back to slavery. Tickets: $20; email@example.com or 412-431-0773.
Renee Fleming has done OK since leaving her hometown of Indiana, Pa. The soprano has become one of the world's most sought-after artists, with a Grammy Award-winning recording catalog and critical acclaim. Oh, and she has sung at a Nobel Peace Prize ceremony, an Olympic game and a presidential inaugural -- not to mention the opera world's biggest stages. She'll give a recital at Fisher Auditorium, Indiana University of Pennsylvania. The school will announce a Renee Fleming scholarship in vocal performance at the 8 p.m. concert that features works by Canteloube, Debussy, Previn, Puccini and more. Tickets: $12-$35; www.IUPTickets.com, www.iup.edu/livelyarts or 724-357-1313.
SATURDAY & SUNDAY
Chatham Baroque wraps up its main concert series with some old-timey music. Well, kind of. With guest artists Chris Norman, who sings and plays flutes and small bagpipes, the period-instrument group will perform reels, sonatas and traditional tunes of the past three centuries from Scotland, Canada and Appalachia. Performances are 8 p.m. Saturday at Synod Hall, Oakland, and 2:30 p.m. next Sunday at Laughlin Music Center, Chatham University. Tickets: $30; 1-888-71-TICKETS or www.chathambaroque.org.