As the sun beat down, Luana Halili, 33, of North Bellmore, rocked steadily to the calypso beat of the reggae tune drifting through the hilly, open lawns of the Vanderbilt Museum. “It’s a beautiful day ...

It was 1973 in Berkeley when Roger Steffens, thumbing through Rolling Stone magazine, became aware of a percolating, distant island music movement called reggae. He sought the sound out in record bins ...