Flash mobs -- you gotta love 'em. My favorite flash mobs are when a sizable proportion of the people in some crowded place break out into song and/or dance, like "Doe a Deer" in Antwerp's Central Station.
The most recent musical flash mob I've seen is "Brindisi" sung in Philadelphia's Reading Market (you know the tune, even if you don't know the name of it), from La Traviata -- which of course put me in mind of the ROC, which staged this opera not long ago.
Here's the vid:
I got to thinking... what if the ROC did flash-mob publicity for their next opera? I know they sang some of the greatest hits from Carmen at the Palomares Adobe to publicize the performance, but that was planned. How about an unplanned performance -- guerrilla aria? And if they were to do it, what would be good venues? Aside from Art Walk (too easy), I propose the LaVerne Target store on a sunday afternoon (because if I have to stand in line for 10 minutes, I'd like to have something interesting to listen to). Other ideas?