Prior to that it was done manually by stagehands.
He worked at theaters as a stagehand to make ends meet.
The group is composed of talented singers, dancers, musicians and stagehands ranging in age from 10 to 18.
A local stagehand was asked to replace him.
Shows employ continuous live music, with performers rather than stagehands changing the props.
All that had to be done to change the scenery was that a stagehand had to change the controls for different effects and color mixing.
Upon leaving school, he worked as a stagehand, moved into cinema management by the age of 17 and organised variety shows.
Most stagehands (riggers, winch-workers and operators) were in the lowest class, making about $1,200 a week.