Sarah Campbell as Mary Poppins, left, sings with Brynn Bateman, as Jane Banks, and Michael Banks, played by Landon Alsup, during the “Mary Poppins” dress rehearsal Monday evening in the Sue Henry Auditorium at Sheridan High School. The musical production shows Wednesday through Saturday at 7:30 p.m. and Sunday at 2 p.m. Justin Sheely | The Sheridan Press