Vancouver School of Arts and Academics presents “Once Upon a Mattress,” a stage adaptation of the fable of the princess and the pea. The musical comedy features dancing and live music from Nov. 10 to 17 at the Royal Durst Theatre, 3101 Main St., Vancouver. Showtimes are 7 p.m. Nov. 10, 12, 17, 18 and 19, plus a 2 p.m. matinee show on Nov. 12. Tickets are $6 at the door.