Endless Summer lawsuit exhibits (Photo: Courtesy Photo)

For a person of a certain age from a certain region, there are few things in life more soothing than the opening bars of the theme from “The Endless Summer.” That 1966 documentary introduced much of the world to hang-loose surf culture as it followed two surfers on a happy-go-lucky, around-the-world search for the perfect wave, making friends along the way in Hawaii, Australia, Ghana and elsewhere.