Thank you MysticCat81, for clearing that up for me too.
I'd wondered for a long time what Phi Mu Alpha Sinfonia members as the org is social but had been professional thought about the fact its rituals would have been public when it had professional status and was a member of the PFA but when they changed to social status and became part of the NIC again the rituals would have been made secret... but there would still be copies out there.
It was all a bit confusing and I got very mixed up over the details as you can see!
Now I know they were and are a member of the PFA, never NIC and that their rituals were always secret. Think I got that right?
eta: I also learnt that very many PFA members have closed rituals (etc) so I have learnt quite a bit from this thread.