The boys' cast dance and sing as they perform "Mama Says" from "Footloose" during a dress rehearsal for Parkway High School's "The Fourth One: A Cabaret Show" on Monday evening. Performances are 7 p.m. on Friday and Saturday and 2 p.m. on Sunday in the Parkway High School auditorium. Tickets, available at the door, are $8 for adults and $6 for students. Children ages 8 and under get in free of charge.