Symphony Decorators' Show House, 311 W. Timonium Road in Timonium. Parking is at Timonium Presbyterian Church, 303 W. Timonium Road. Open April 28-May 19. Hours are Tuesday, Wednesday, Friday and Saturday from 10 a.m.to 4 p.m.; Thursday from 10 a.m. to 8 p.m.; Sunday from 1 p.m. to 5 p.m. Tickets can be purchased for $25 in advance, $30 at the door. Advance tickets are available at the BSO box office, online at bsomusic.org and retail outlets such as Graul's Markets, Budeke's Paint Stores and Watson's Garden Center. Tickets also are available by calling the box office at 410-783-8000.