PRESS PHOTO BY SUSAN BRYANTJacob Greening as Bert and Lydia Walker as Mary Poppins rehearse “Step in Time” from the musical “Mary Poppins Jr.” to be performed 7 p.m. Nov. 9; and 10 and 3 p.m. Nov. 10 and 11 at Parkland High School, 2700 N. Cedar Crest Blvd., South Whitehall. See story, additional photos on page A9