The play is performed without a set and the actors mime their actions without the use of props.
Arching his legs, an actor mimed the movements of Vienna's Lippizaner horses; beautiful nudes posed as if they were life models for Klimt; actors spoke lyrical fragments adapted from Freud's letters and other sources.
Whenever a character was decapitated or killed, a red cabbage was sliced up whilst the actor mimed the death beside it.
Later, actors mime paintings from the "Entartete Kunst" show.
There are few props - three stools are pretty much it - and the actors mime the motions of eating and drinking.
But the actors, both children and adults, will mime to a recorded sound track.
Salter then worked for London Films at Denham, editing Arthur Bliss's score for Things To Come, orchestrating, composing, acting as chorus master and playing what actors were miming on the screen.
In their show at Rainbow and Stars, the two actors mime their pose on that photograph with surprising verisimilitude.
On stage, meanwhile, the actors balletically mime a funeral procession.