Andres Cardenes leads the Pittsburgh Festival Orchestra in a program of works by Franck, Handel, Mozart and Faure (his moving "Requiem") at 8 p.m. at St. Andrew's Episcopal Church, Highland Park. Free; 412-736-3678.

The Pittsburgh Opera's production of Verdi's "Falstaff" continues at 7 p.m. at the Benedum Center, Downtown, with further performances at 8 p.m. Friday and 2 p.m. next Sunday. Tickets start at $10; 412-456-6666.

Opening night of the Bricolage Production Company's "Neighborhood 3: Requisition of Doom" at 9 p.m. at 937 Liberty Ave. The play, written by Jennifer Haley and directed by Matt M. Morrow, is about a suburban subdivision with identical houses in which parents find their teenagers addicted to an online horror video game. The game setting? A subdivision with identical houses. The goal? Smash through an army of zombies to escape the neighborhood for good. But as the line blurs between virtual and reality, parents and players realize that fear has a life of its own. At 8:30 p.m., enjoy the Happy Half Hour before the show with cocktails and snacks while testing your gaming skills in the Bricolage Gaming Arcade in the lobby.

Performances also are slated for Saturday, Nov. 6-7, Nov. 13-14, Nov. 20-21 and Nov. 27-28. Online-tickets are $15 through http://www.brownpapertickets.com/. Tickets are $20 at the door. Reservations can be made by calling 412-381-6999 or e-mailing Tami Dixon at tami@webbricolage.org. For more information visit www.webbricolage.org.

-- Halloween Mayhem Day at the Kelly-Strayhorn Theater, 5941 Penn Ave., from 1 to 5 p.m. featuring a Squonk Opera installation on the building's roof and hands-on arts activities with kids in the theater lobby. The Pittsburgh Glass Center is sponsoring the glass art making demonstrations. The Hope Academy of Music and Arts, Propel Homestead, Alumni Theater Company and Temujin the Storyteller also are slated to perform. There also will be trick-or-treating and snacks for the children. Free and family friendly. For more information visit www.kelly-strayhorn.org.

-- Halloween Mayhem Night at the Kelly-Strayhorn Theater, 5941 Penn Ave., from 8 p.m. to 2 a.m. with performances by global beats/rock band, Soma Mestizo, Puppeteer Dave English and the Schmutz Company.

There also will be food and drink and cinematic lessons in Zombie History 101. Whether they're shambling across a cemetery or cavorting with Bela Lugosi, the undead just keep coming. With new films and remakes jumping on the undead bandwagon, they're taking a look back at some of the earliest and most influential Zombie flicks in a three-film marathon that includes "White Zombie," "Plan 9 From Outer Space" and "Night of the Living Dead."

For general audiences age 16 and older. Admission $10 ($5 with a costume). For more information visit, www.kelly-strayhorn.org.

"Listen Up With Andrew Druckenbrod" and "The Beat With Scott Mervis" are available exclusively at PG+, a members-only web site of the Pittsburgh Post-Gazette. Our introduction to PG+ gives you all the details.