That is top secret info and I signed an agreement stating that I wouldn't discuss it or the other 'tricks' in BATB however, when it was playing at The Palace you could see it very easily from the top balcony.
"For me, THEATRE is an anticipation, an artistic rush, an emotional banquet, a jubilant appreciation, and an exit hopeful of clearer thought and better worlds."
~ an anonymous traveler with Robert Burns