Celina High School student Greg Hirt, portraying Sweeney Todd, cuts the throat of Pirelli, played by Collin Stephens, during a dress rehearsal Tuesday for the school's upcoming production of "Sweeney Todd." Shows are 8 p.m. Friday, Saturday, April 27 and April 28 and 3 p.m. Sunday and April 29 at the Celina Education Complex auditorium. Clarification: The Celina High School spring musical "Sweeney Todd" will be performed at 8 p.m. Friday and Saturday and April 27 and April 28, as well as 3 p.m. Sunday and April 29 at the Celina Education Complex auditorium.