No activity is more redolent of the good things associated with an American summer. The crowds tend to be diverse, cutting across religious, ethnic and socio-economic strata.
Children play frisbee in bare feet on the grass.
People bring their pets. Vendors set up tables laden with everything from vintage field recordings of prison work gang songs to obnoxiously large belt buckles bearing exotic depictions motorcycles and firearms. It's that kind of an atmosphere. And the music. Oh, the music.