Visible crew/equipment: While Barnum and Phillip sing "The Other Side" Phillip uses two stools to get up and down from the bar top. When he steps down from the bar top, in this wideshot (also the first shot of them in the pub and other shots) the two upright stools Phillip used are secured with additional support, note the floor area underneath the stools' legs have the same pattern as the rest of the floor, though we can see the outline where the pattern's lines don't match up. Additionally, we also see three actors' marks (in the shape of an "L") on the floor in front of the bar, which will be where Barnum and Phillip will stand when they agree on the ten percent. (00:36:05)
Visible crew/equipment: Near the end of Come Alive, one of the dancers in a white dress spins around, and when she does so, what appears to be a black mic pack is visible on her back. This black item is not visible in other shots of her during the song.
Visible crew/equipment: In the dance "from now on" the camera pans out too far, showing end of the lino and reveals the studio floor (bottom left of screen). (01:28:00)
Answer: It doesn't tell.