I wanted to go to sleep, but…
1) If one wants to hold by a higher madreigah, he needs to accept chumros. Source? “Mesilas Yeshorim”!
2) Women may not dance when men see them.
3) It is better to have a separate seating for the meal also. Especially, when some women are dressed-to-kill and the rest are quite mekushat.
Separate seating is very needed by concerts. Otherwise, you would have men seating next to dressed-to-kill other men’s wives, and so close that one needs an effort to avoid negia. And sometimes the ladies begodim are not long enough either!