There are few things that truly terrify me. Falling into a giant vat of mayonnaise is one; being trapped in an elevator with Oprah Winfrey is another. But working as a page turner for a live performance is truly nightmare-inducing. Nevertheless, Benjamin Poore explains why page turners – “part of the semi-invisible superstructure of the performance business, along with the répétiteur in the opera house, prompter in the box under the stage, or piano tuner working their magic in an empty auditorium” – matter.