Bob .. still waiting for some actual suggestions to make this happen short of bringing in a stage manager .. maybe you have something the collective hasn't thought of and could actually be useful information.
Yes, I may.. but, like many your comment presumes an entitlement to useful information and solutions that remain cheap (free) to you.
Given how much lip service is paid to finding higher end clients, it should occur to you why that doesn't come to fruition when push back is the vendor's standard operating procedure. The bride wants to sing her processional and the only response she is getting is resistance. This is why high end party planners and client's move on to more willing and capable vendor's with a "can do" attitude.