Lets start with the DJ....If your a DJ not get upset just yet, Im on your side. The DJ's primary role is to play music, a Good DJ is always reading the crowd making sure the music is on par with what the crowed is feeling. Lighting is often a secondary consideration, usually just a few effect lights put in sound active mode. With the only other setting being OFF.
Now its true that probably notices or complains, but its just as tru it can be som