With his hands draped over the back of his chair, Frazier Elementary first-grader Thaddus Mayberry finds a comfortable postion to enjoy Friday morning’s showing of the Natchez Opera Festival Education Program’s children’s opera &uot;Fair Means or Foul.&uot; Mayberry and hundreds of other Natchez students have been attending the production over the past week at Braden Auditorium. The singers will now take the show on the road to other schools throughout southwest MIssissippi.