I’ll admit it: I’m a sucker for cultural flashmob events. I know they’re contrived – how else do you get the great footage? – but I still love the way they startle a random group of people and bring them together as a group, a body, joined partly, I’m sure, by curiosity but also, I think, be the sheer beauty of the event. In this case that event is a 100 member orchestra playing Beethoven’s “Ode to Joy.” It was sponsored by Banco Sabadell, Spain’s fifth largest bank, this past May to sponsor the 130th anniversary of its founding. Another favorite flashmob was the dance of “Do...