I visited a Brit Floyd Concert with my 12 year old...

I visited a Brit Floyd Concert with my 12 year old daughter last weekend and while the music was good, the constant pot smoke around us kept us from enjoying the show. I understand a concert such as this will draw this kind of crowd and I would have been o.k. with the occasional joint being passed around but there was a large number of people around us smoking constantly and the woman next to me was actually crying because it was too much for her. I believe the security staff could do a much better job enforcing the venue's own rules and help creating an enjoyable experience for the patrons. I doubt I will be back anytime soon.