Michael DiVittorio | Tribune-Review
Penn Hills High School students, from back row left, Samuel Tucci, Brandon Laus, Becca Frey, Onnikka McArthur, Bella Mitlo and Zachary Burkovich stand with fellow students, in front from left, Tionna Robshaw-Burrell, Rynn Everatt, Isaiah Owens, Talia Russell, Ethan Herr and Rory McConnell during a rehearsal break for the musical “Mamma Mia!”