Members of the O’Neill High School cast of “Mamma Mia” (including Kara Hartley, Michaela Reinertsen and Suzy Wright, foreground) performed a few songs during a student showcase at the Galleria at Crystal Run on Saturday. “Mamma Mia” takes place March 8 (7 p.m.), March 9 (3 & 7 p.m.) and March 10 (3 p.m.) in the high school auditorium. Tickets can be purchased at the door. (The show’s content is equivalent to a PG-13 rating, the Drama Club notes.)