I thought the number of monitors was amusing considering that, for my other job, it looks like:
its like the analog equivalent of having a multi-monitor setup :)
Above you see the girls practicing for the number "Beautiful Girls" in Singin' in the Rain. There is an overhead camera pointed down on the circle and the video is projected onto a screen that is used for other effects during the show. Unfortunately I never got to see what that image looks like, since after the show is put together us orchestra members will be confined to the pit underneath the stage...