Production numbers these days have evolved to something awesome and eye-catching. Performers learned to use the beauty of lights. If you were able to witness the latest Olympics opening ceremony as well as the previous one, you will notice that they are utilizing black light bulbs which obviously placed everyone in awe.
For the numerous reality shows these days, there would always be this group that will make use of the beauty of black lights in their dance numbers. Aside from the artistic side of the production, the group needs to make the routine perfect because with black light production, errors become very visible.