I wanted to devote this second part to these men and women, whose technical skills make them essential for making a show run smoothly. They are not part of any team, but are attentive to the challenges that they face.

Let’s meet these data controllers, these communication experts and timing managers in order to understand their world: that of the intercom system, signal topography, network administration and show control.
Let’s delve into the invisible world that reveals itself only if there is a technical problem.

Ground Control to Major Tom…