Sing Hosanna! presents a dinner and tea party May 9 in the Penn Christian Academy auditorium, 199 W. Airport Road. A silent auction preview will begin at 4 p.m. followed by dinner at 4:30 p.m. Entertainment will be a concert by Hearts to Heaven featuring Kim Gaiser, Sherry O'Donnell, Dale Riemer and Kim Wick. Tickets are $20 per adult and $7 per child age 10 and younger and are available at May's Music Shoppe, 247 E. Jefferson St. Reservations are required by Wednesday.

A murder mystery dinner theater featuring "Death and Taxes, or the Peasants are Revolting!" is planned for Friday at Tanglewood Center, 10 Austin Ave. Doors open at 5 p.m. with dinner at 5:30 p.m. The show starts at 6 p.m. Tickets are $18 for non-members and $16 for members. Reservations are required. Call 724-287-0021.

Pioneers of Flight, a Pittsburgh CLO Gallery of Heroes production, travels to Chicora Elementary School Monday and Rowan Elementary in Cranberry Township Tuesday

to present a show about aviation's innovative historical figures, including the Wright Brothers, Bessie Coleman, the Mongolfier Brothers and Charles Lindbergh. Call 412-325-6459.

<B>New Castle Playhouse</B>, 212 E. Long Ave., New Castle, presents the Lerner and Loewe musical "Brigadoon" opening Friday in Augustine Auditorium at the playhouse. Curtain is at 7:30 p.m. Fridays and Saturdays with Sunday matinees at 2 p.m. Performances continue through May 16. Tickets are $15 for adults and $12 for senior citizens age 60 and older and students, and $10 for children age 12 and younger. Call 724-654-3437 between 9 a.m. and 4 p.m. weekdays.

<B>Quantum Theatre</B> presents "The Task" by Heiner Müller through May 9 in the post-industrial space at the Gage Building, 30th and Liberty in the Strip District. The audience journeys through installation-like visions as three emissaries of the French Republic arrive in Jamaica with the mission to incite a slave rebellion. The show starts at 8 p.m. Wednesdays through Saturdays and at 7 p.m. Sundays. On site parking is available. Tickets range from $28 to $40 with a limited number of $16 tickets available for students. Call 412-394-3353 or visit www.quantumtheatre.com.<B>Pittsburgh Public Theater</B> in the O'Reilly Theater, 621 Penn Ave., presents Alan Ayckbourn's "Time of My Life" about the Stratton family's past, present and future in this comedy set in their favorite restaurant. The show runs through May 16. Tickets range from $35 to $55; students and anyone age 26 or younger pay $15. Call 412-316-1600 or visit www.ppt.org.<B>CLO Cabaret</B> presents "Nunsense" through June 6 at the CLO Cabaret at Theater Square, 655 Penn Ave. Performances begin at 7:30 p.m. Wednesdays through Saturdays, at 2 p.m. Saturdays and Sundays and at 1 p.m. select Thursdays, with some exceptions. Tickets are $39.50 for Wednesday, Thursday and Friday evenings, $44.50 for Saturday evenings, and $34.50 for matinees. Call 412-456-6666.