Drapes (Blacks)
Curtains hung both to mask the back-stage area and to shape the on-stage area. Normally made of wool surge.
Archives
Blackout
A fast shutdown of all lighting to complete darkness.
Bio Box (Control Room)
Room from which light, sound, projection and effects are operated. This room is found behind the audience seating area. Sometimes the show may be controlled in a cordoned off area within the audience seating area. It can also be sometimes referred to as “ops”.
Barrel
Length of metal pipe, suspended on a set of lines, to which scenery and curtains may be attached . It is a standard part in a unit of the counterweight system.
Barre
A horizontal rail, usually of wood, used by ballet dancers when practicing.
Bar
A tube, pipe or barrel for holding lighting fixtures.
Lights hanging on bars
Backcloth (Backdrop)
A curtain (usually with painted or printed imagery) used as a background for theatre productions.
Back-Light
Light from behind the actor or a piece of scenery. It is highly sculptural light which separates the actor from the background.
