Classical options for a sweet Sunday By Denny Dyroff, Staff Writer, The Times If you’re looking for a concert to attend this Sunday and want to shift into classical mode, you’re in luck because two concerts in the area can fill the bill. On April 24, Delphi Opera will present Ruggiero Leoncavallo’s signature verismo masterpiece “Pagliacci” at Padua Academy’s Roberto Hall (905 North Broom...