 In addition to on-stage curtains, there are retractable banners along the side walls of the hall that can be lowered to absorb sound and curtains on the rear wall of each seating level.The banners are lowered for events utilizing the sound system, and retracted for symphonic and choral events.The loudspeaker bridge above the proscenium can be set at one level for events using the sound system and be retracted when its use is not required.