Theatres can be dangerous places to work. It’s believed that it is unlucky to whistle on stage but it’s likely this was because stagehands used whistles as a code to lift & lower scenery. If you whistled at the wrong time it could have been catastrophic #SuperstitionSat https://t.co/KKF46QTr2STheatres can be dangerous places to work. It’s believed that it is unlucky to whistle on stage but it’s likely this was 3490862 Theatres can be dangerous places to work. It’s believed that it is unlucky to whistle on stage but it’s likely this was because stagehands used whistles