i would imagine that depends on the locale
if it was at someone's home, we could do some listening. we could go for wings/beer, i was thinking maybe Paradigm factory tour? i don't know if they even do stuff like that.
Sounds more like a party
I was thinking more like an event to display your gear.
or
a bit of a technical talk on servicing/testing your old gear or anything audio electronics related.
Once I am setup, show how to check/align a few tuners.
AK stuff.