Term Explanation
ASM Assistant Stage Manager. The runners backstage who will marshall the choirs, control entrances and exits, place props etc.
Auditorium Left and Auditorium Right These directions assume you are sitting in the auditorium, facing the stage.
Backline The band's gear, e.g. drums, and guitar amplifiers.
Comms Communications: typically headsets and/or radios used by the production crew.
Cyc Short for “Cyclorama”. A large white backdrop behind the stage which can be lit up for effect, or have images projected on it.
DI box A "black box" typically used to connect an electric guitar directly to a mixing desk as an alternative to using a guitar amp with a microphone in front.
Feedback The loud whistling noise produced when microphones pick up their own amplified sound from nearby speakers. Not to be confused with Foldback.
Filter or gel Coloured plastic placed in front of a light to change the beam colour
Flys The area over the stage, where scenery is raised, and lighting is fixed.
Focus Setting up lights: set the beam direction, spread and sharpness, apply any coloured filters.
FOH Front of House, usually the auditorium, but depending on context may include foyer and bars.
Foldback A sound signal for cast and band (through headphones or speakers) to allow them to hear each other. Not to be confused with Feedback.
Gerb A large sparkler fountain which throws sparks up about 2.5m.
Get-in Getting into the venue, moving in the equipment and setting it up.
Gobo A metal or glass slide placed in front of a stage light to project a pattern, e.g. the LGMC logo
Monitors Speakers, typically wedge-shaped, used to provide foldback to cast and band on stage.
Playback Playing pre-recorded sound, such as backing tracks, sound effects or canned announcements.
Plot To note the cues, light and sound levels for each scene in the show.
Proscenium Arch (or "Pros. Arch"): the archway dividing the stage from the auditorium in traditional theatres
Rat stand Popular type of sturdy music stand, usually with integral light
Scaff or bar Scaffolding bars with many uses, eg fixing lights, hanging scenery, supporting rostra.
Set (to set) To place a piece of equipment, e.g. a prop.
Spike A positioning mark, usually done with coloured tape, for example to indicate where a soloist should stand, or where a chair should be placed.
Stage Left and Stage Right These directions assume you are performing on the stage, facing the audience.
Steeldeck Popular make of portable staging / rostra: solid deck with changeable scaffolding legs
Strike To remove a piece of equipment, the opposite of "to set"
Tabs The curtains at the front of the stage
Upstage and Downstage Downstage is closer to the audience, Upstage is at the back. Imagine a stage tilted slightly towards the audience for better sightlines. Alternatively, consider going up and down the rostra.
Wedges Wedge-shaped monitor speakers for foldback.
Wings The backstage areas either side of the stage.